Home / 88,579,710.90-132,869,566.35-81,777,266.10

Finding the Fourth Proportional to 88,579,710.90, 132,869,566.35 and 81,777,266.10

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Solution

The fourth proportional to 88,579,710.90, 132,869,566.35 and 81,777,266.10 is: 122,665,899.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,579,710.90 : 132,869,566.35 = 81,777,266.10 : x
  2. Step 2: Convert to fraction form
    88,579,710.90/132,869,566.35 = 81,777,266.10/x
  3. Step 3: Cross multiply
    88,579,710.90x = 132,869,566.35 × 81,777,266.10
  4. Step 4: Simplify right side
    88,579,710.90x = 10,865,709,883,995,554
  5. Step 5: Solve for x
    x = 10,865,709,883,995,554/88,579,710.90
  6. Step 6: Final answer
    x = 122,665,899.15

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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.