Home / 122,490,155.70-183,735,233.55-77,140,523.70

Finding the Fourth Proportional to 122,490,155.70, 183,735,233.55 and 77,140,523.70

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Solution

The fourth proportional to 122,490,155.70, 183,735,233.55 and 77,140,523.70 is: 115,710,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,490,155.70 : 183,735,233.55 = 77,140,523.70 : x
  2. Step 2: Convert to fraction form
    122,490,155.70/183,735,233.55 = 77,140,523.70/x
  3. Step 3: Cross multiply
    122,490,155.70x = 183,735,233.55 × 77,140,523.70
  4. Step 4: Simplify right side
    122,490,155.70x = 14,173,432,138,188,812
  5. Step 5: Solve for x
    x = 14,173,432,138,188,812/122,490,155.70
  6. Step 6: Final answer
    x = 115,710,785.55

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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.