Home / 66,307,340.48-90,841,380.58-63,822,156.92

Finding the Fourth Proportional to 66,307,340.48, 90,841,380.58 and 63,822,156.92

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Solution

The fourth proportional to 66,307,340.48, 90,841,380.58 and 63,822,156.92 is: 87,436,666.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,307,340.48 : 90,841,380.58 = 63,822,156.92 : x
  2. Step 2: Convert to fraction form
    66,307,340.48/90,841,380.58 = 63,822,156.92/x
  3. Step 3: Cross multiply
    66,307,340.48x = 90,841,380.58 × 63,822,156.92
  4. Step 4: Simplify right side
    66,307,340.48x = 5,797,692,846,206,201
  5. Step 5: Solve for x
    x = 5,797,692,846,206,201/66,307,340.48
  6. Step 6: Final answer
    x = 87,436,666.96

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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.