Home / 191,000,347.40-286,500,521.10-54,685,730.90

Finding the Fourth Proportional to 191,000,347.40, 286,500,521.10 and 54,685,730.90

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Solution

The fourth proportional to 191,000,347.40, 286,500,521.10 and 54,685,730.90 is: 82,028,596.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,000,347.40 : 286,500,521.10 = 54,685,730.90 : x
  2. Step 2: Convert to fraction form
    191,000,347.40/286,500,521.10 = 54,685,730.90/x
  3. Step 3: Cross multiply
    191,000,347.40x = 286,500,521.10 × 54,685,730.90
  4. Step 4: Simplify right side
    191,000,347.40x = 15,667,490,399,584,372
  5. Step 5: Solve for x
    x = 15,667,490,399,584,372/191,000,347.40
  6. Step 6: Final answer
    x = 82,028,596.35

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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.