Home / 81,766,779.51-122,635,606.55-32,578,510.42

Finding the Fourth Proportional to 81,766,779.51, 122,635,606.55 and 32,578,510.42

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Solution

The fourth proportional to 81,766,779.51, 122,635,606.55 and 32,578,510.42 is: 48,861,963.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,766,779.51 : 122,635,606.55 = 32,578,510.42 : x
  2. Step 2: Convert to fraction form
    81,766,779.51/122,635,606.55 = 32,578,510.42/x
  3. Step 3: Cross multiply
    81,766,779.51x = 122,635,606.55 × 32,578,510.42
  4. Step 4: Simplify right side
    81,766,779.51x = 3,995,285,385,335,863
  5. Step 5: Solve for x
    x = 3,995,285,385,335,863/81,766,779.51
  6. Step 6: Final answer
    x = 48,861,963.37

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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.