Home / 81,932,219.96-122,812,483.17-38,176,904.48

Finding the Fourth Proportional to 81,932,219.96, 122,812,483.17 and 38,176,904.48

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Solution

The fourth proportional to 81,932,219.96, 122,812,483.17 and 38,176,904.48 is: 57,225,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,932,219.96 : 122,812,483.17 = 38,176,904.48 : x
  2. Step 2: Convert to fraction form
    81,932,219.96/122,812,483.17 = 38,176,904.48/x
  3. Step 3: Cross multiply
    81,932,219.96x = 122,812,483.17 × 38,176,904.48
  4. Step 4: Simplify right side
    81,932,219.96x = 4,688,600,438,932,697
  5. Step 5: Solve for x
    x = 4,688,600,438,932,697/81,932,219.96
  6. Step 6: Final answer
    x = 57,225,355.80

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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.