Home / 87,488,885.73-120,738,330.54-50,319,176.34

Finding the Fourth Proportional to 87,488,885.73, 120,738,330.54 and 50,319,176.34

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Solution

The fourth proportional to 87,488,885.73, 120,738,330.54 and 50,319,176.34 is: 69,442,573.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,488,885.73 : 120,738,330.54 = 50,319,176.34 : x
  2. Step 2: Convert to fraction form
    87,488,885.73/120,738,330.54 = 50,319,176.34/x
  3. Step 3: Cross multiply
    87,488,885.73x = 120,738,330.54 × 50,319,176.34
  4. Step 4: Simplify right side
    87,488,885.73x = 6,075,453,345,439,468
  5. Step 5: Solve for x
    x = 6,075,453,345,439,468/87,488,885.73
  6. Step 6: Final answer
    x = 69,442,573.13

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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.