Home / 66,730,688.10-100,096,032.15-52,397,964.90

Finding the Fourth Proportional to 66,730,688.10, 100,096,032.15 and 52,397,964.90

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Solution

The fourth proportional to 66,730,688.10, 100,096,032.15 and 52,397,964.90 is: 78,596,947.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,730,688.10 : 100,096,032.15 = 52,397,964.90 : x
  2. Step 2: Convert to fraction form
    66,730,688.10/100,096,032.15 = 52,397,964.90/x
  3. Step 3: Cross multiply
    66,730,688.10x = 100,096,032.15 × 52,397,964.90
  4. Step 4: Simplify right side
    66,730,688.10x = 5,244,828,379,224,972
  5. Step 5: Solve for x
    x = 5,244,828,379,224,972/66,730,688.10
  6. Step 6: Final answer
    x = 78,596,947.35

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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.