Home / 57,515,397.45-86,281,610.14-21,120,950.26

Finding the Fourth Proportional to 57,515,397.45, 86,281,610.14 and 21,120,950.26

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Solution

The fourth proportional to 57,515,397.45, 86,281,610.14 and 21,120,950.26 is: 31,684,551.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,515,397.45 : 86,281,610.14 = 21,120,950.26 : x
  2. Step 2: Convert to fraction form
    57,515,397.45/86,281,610.14 = 21,120,950.26/x
  3. Step 3: Cross multiply
    57,515,397.45x = 86,281,610.14 × 21,120,950.26
  4. Step 4: Simplify right side
    57,515,397.45x = 1,822,349,595,851,145.25
  5. Step 5: Solve for x
    x = 1,822,349,595,851,145.25/57,515,397.45
  6. Step 6: Final answer
    x = 31,684,551.91

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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.