Home / 66,307,411.62-90,841,477.98-63,822,228

Finding the Fourth Proportional to 66,307,411.62, 90,841,477.98 and 63,822,228

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Solution

The fourth proportional to 66,307,411.62, 90,841,477.98 and 63,822,228 is: 87,436,764.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,307,411.62 : 90,841,477.98 = 63,822,228 : x
  2. Step 2: Convert to fraction form
    66,307,411.62/90,841,477.98 = 63,822,228/x
  3. Step 3: Cross multiply
    66,307,411.62x = 90,841,477.98 × 63,822,228
  4. Step 4: Simplify right side
    66,307,411.62x = 5,797,705,519,496,540
  5. Step 5: Solve for x
    x = 5,797,705,519,496,540/66,307,411.62
  6. Step 6: Final answer
    x = 87,436,764.27

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.