Home / 81,443,187,177.88-112,407,158,928.15-53,928,243,084.86

Finding the Fourth Proportional to 81,443,187,177.88, 112,407,158,928.15 and 53,928,243,084.86

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Solution

The fourth proportional to 81,443,187,177.88, 112,407,158,928.15 and 53,928,243,084.86 is: 74,431,279,045.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,443,187,177.88 : 112,407,158,928.15 = 53,928,243,084.86 : x
  2. Step 2: Convert to fraction form
    81,443,187,177.88/112,407,158,928.15 = 53,928,243,084.86/x
  3. Step 3: Cross multiply
    81,443,187,177.88x = 112,407,158,928.15 × 53,928,243,084.86
  4. Step 4: Simplify right side
    81,443,187,177.88x = 6,061,920,591,155,539,476,480
  5. Step 5: Solve for x
    x = 6,061,920,591,155,539,476,480/81,443,187,177.88
  6. Step 6: Final answer
    x = 74,431,279,045.06

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1.5x scale

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.