Home / 83,970,036.40-125,955,054.60-79,187,067.40

Finding the Fourth Proportional to 83,970,036.40, 125,955,054.60 and 79,187,067.40

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Solution

The fourth proportional to 83,970,036.40, 125,955,054.60 and 79,187,067.40 is: 118,780,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,970,036.40 : 125,955,054.60 = 79,187,067.40 : x
  2. Step 2: Convert to fraction form
    83,970,036.40/125,955,054.60 = 79,187,067.40/x
  3. Step 3: Cross multiply
    83,970,036.40x = 125,955,054.60 × 79,187,067.40
  4. Step 4: Simplify right side
    83,970,036.40x = 9,974,011,397,980,880
  5. Step 5: Solve for x
    x = 9,974,011,397,980,880/83,970,036.40
  6. Step 6: Final answer
    x = 118,780,601.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.