Home / 88,629,882.40-122,329,645-51,972,263.20

Finding the Fourth Proportional to 88,629,882.40, 122,329,645 and 51,972,263.20

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Solution

The fourth proportional to 88,629,882.40, 122,329,645 and 51,972,263.20 is: 71,733,689.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,629,882.40 : 122,329,645 = 51,972,263.20 : x
  2. Step 2: Convert to fraction form
    88,629,882.40/122,329,645 = 51,972,263.20/x
  3. Step 3: Cross multiply
    88,629,882.40x = 122,329,645 × 51,972,263.20
  4. Step 4: Simplify right side
    88,629,882.40x = 6,357,748,507,102,564
  5. Step 5: Solve for x
    x = 6,357,748,507,102,564/88,629,882.40
  6. Step 6: Final answer
    x = 71,733,689.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.