Home / 81,932,208.46-122,812,465.92-38,176,892.98

Finding the Fourth Proportional to 81,932,208.46, 122,812,465.92 and 38,176,892.98

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Solution

The fourth proportional to 81,932,208.46, 122,812,465.92 and 38,176,892.98 is: 57,225,338.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,932,208.46 : 122,812,465.92 = 38,176,892.98 : x
  2. Step 2: Convert to fraction form
    81,932,208.46/122,812,465.92 = 38,176,892.98/x
  3. Step 3: Cross multiply
    81,932,208.46x = 122,812,465.92 × 38,176,892.98
  4. Step 4: Simplify right side
    81,932,208.46x = 4,688,598,368,037,737
  5. Step 5: Solve for x
    x = 4,688,598,368,037,737/81,932,208.46
  6. Step 6: Final answer
    x = 57,225,338.56

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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.