Home / 87,657,133.02-120,937,468.32-50,486,668.98

Finding the Fourth Proportional to 87,657,133.02, 120,937,468.32 and 50,486,668.98

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Solution

The fourth proportional to 87,657,133.02, 120,937,468.32 and 50,486,668.98 is: 69,654,684.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,657,133.02 : 120,937,468.32 = 50,486,668.98 : x
  2. Step 2: Convert to fraction form
    87,657,133.02/120,937,468.32 = 50,486,668.98/x
  3. Step 3: Cross multiply
    87,657,133.02x = 120,937,468.32 × 50,486,668.98
  4. Step 4: Simplify right side
    87,657,133.02x = 6,105,729,930,351,076
  5. Step 5: Solve for x
    x = 6,105,729,930,351,076/87,657,133.02
  6. Step 6: Final answer
    x = 69,654,684.34

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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.