Home / 87,966,374.32-121,397,686.14-54,946,173.52

Finding the Fourth Proportional to 87,966,374.32, 121,397,686.14 and 54,946,173.52

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Solution

The fourth proportional to 87,966,374.32, 121,397,686.14 and 54,946,173.52 is: 75,828,273.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,966,374.32 : 121,397,686.14 = 54,946,173.52 : x
  2. Step 2: Convert to fraction form
    87,966,374.32/121,397,686.14 = 54,946,173.52/x
  3. Step 3: Cross multiply
    87,966,374.32x = 121,397,686.14 × 54,946,173.52
  4. Step 4: Simplify right side
    87,966,374.32x = 6,670,338,327,574,939
  5. Step 5: Solve for x
    x = 6,670,338,327,574,939/87,966,374.32
  6. Step 6: Final answer
    x = 75,828,273.92

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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.