Home / 159,720,925.50-220,414,877.55-86,382,067.50

Finding the Fourth Proportional to 159,720,925.50, 220,414,877.55 and 86,382,067.50

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Solution

The fourth proportional to 159,720,925.50, 220,414,877.55 and 86,382,067.50 is: 119,207,253.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,720,925.50 : 220,414,877.55 = 86,382,067.50 : x
  2. Step 2: Convert to fraction form
    159,720,925.50/220,414,877.55 = 86,382,067.50/x
  3. Step 3: Cross multiply
    159,720,925.50x = 220,414,877.55 × 86,382,067.50
  4. Step 4: Simplify right side
    159,720,925.50x = 19,039,892,830,528,336
  5. Step 5: Solve for x
    x = 19,039,892,830,528,336/159,720,925.50
  6. Step 6: Final answer
    x = 119,207,253.34

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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.