Home / 156,759,356.28-235,007,502.66-69,306,753.90

Finding the Fourth Proportional to 156,759,356.28, 235,007,502.66 and 69,306,753.90

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Solution

The fourth proportional to 156,759,356.28, 235,007,502.66 and 69,306,753.90 is: 103,901,977.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,759,356.28 : 235,007,502.66 = 69,306,753.90 : x
  2. Step 2: Convert to fraction form
    156,759,356.28/235,007,502.66 = 69,306,753.90/x
  3. Step 3: Cross multiply
    156,759,356.28x = 235,007,502.66 × 69,306,753.90
  4. Step 4: Simplify right side
    156,759,356.28x = 16,287,607,151,510,216
  5. Step 5: Solve for x
    x = 16,287,607,151,510,216/156,759,356.28
  6. Step 6: Final answer
    x = 103,901,977.77

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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.