Home / 402,096,847.02-602,799,838.31-139,747,316.05

Finding the Fourth Proportional to 402,096,847.02, 602,799,838.31 and 139,747,316.05

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Solution

The fourth proportional to 402,096,847.02, 602,799,838.31 and 139,747,316.05 is: 209,500,920.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,096,847.02 : 602,799,838.31 = 139,747,316.05 : x
  2. Step 2: Convert to fraction form
    402,096,847.02/602,799,838.31 = 139,747,316.05/x
  3. Step 3: Cross multiply
    402,096,847.02x = 602,799,838.31 × 139,747,316.05
  4. Step 4: Simplify right side
    402,096,847.02x = 84,239,659,520,299,344
  5. Step 5: Solve for x
    x = 84,239,659,520,299,344/402,096,847.02
  6. Step 6: Final answer
    x = 209,500,920.35

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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.