Home / 81,766,779.84-122,635,607.02-32,578,510.74

Finding the Fourth Proportional to 81,766,779.84, 122,635,607.02 and 32,578,510.74

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Solution

The fourth proportional to 81,766,779.84, 122,635,607.02 and 32,578,510.74 is: 48,861,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,766,779.84 : 122,635,607.02 = 32,578,510.74 : x
  2. Step 2: Convert to fraction form
    81,766,779.84/122,635,607.02 = 32,578,510.74/x
  3. Step 3: Cross multiply
    81,766,779.84x = 122,635,607.02 × 32,578,510.74
  4. Step 4: Simplify right side
    81,766,779.84x = 3,995,285,440,757,119
  5. Step 5: Solve for x
    x = 3,995,285,440,757,119/81,766,779.84
  6. Step 6: Final answer
    x = 48,861,963.85

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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.