Home / 156,970,429.90-235,539,625.65-66,103,204.30

Finding the Fourth Proportional to 156,970,429.90, 235,539,625.65 and 66,103,204.30

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Solution

The fourth proportional to 156,970,429.90, 235,539,625.65 and 66,103,204.30 is: 99,190,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,970,429.90 : 235,539,625.65 = 66,103,204.30 : x
  2. Step 2: Convert to fraction form
    156,970,429.90/235,539,625.65 = 66,103,204.30/x
  3. Step 3: Cross multiply
    156,970,429.90x = 235,539,625.65 × 66,103,204.30
  4. Step 4: Simplify right side
    156,970,429.90x = 15,569,923,995,087,470
  5. Step 5: Solve for x
    x = 15,569,923,995,087,470/156,970,429.90
  6. Step 6: Final answer
    x = 99,190,172.35

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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.