Home / 124,712,140,856.90-187,068,211,285.35-85,040,282,783.30

Finding the Fourth Proportional to 124,712,140,856.90, 187,068,211,285.35 and 85,040,282,783.30

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Solution

The fourth proportional to 124,712,140,856.90, 187,068,211,285.35 and 85,040,282,783.30 is: 127,560,424,174.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,712,140,856.90 : 187,068,211,285.35 = 85,040,282,783.30 : x
  2. Step 2: Convert to fraction form
    124,712,140,856.90/187,068,211,285.35 = 85,040,282,783.30/x
  3. Step 3: Cross multiply
    124,712,140,856.90x = 187,068,211,285.35 × 85,040,282,783.30
  4. Step 4: Simplify right side
    124,712,140,856.90x = 15,908,333,587,472,276,520,960
  5. Step 5: Solve for x
    x = 15,908,333,587,472,276,520,960/124,712,140,856.90
  6. Step 6: Final answer
    x = 127,560,424,174.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.