Home / 79,442,830.09-109,680,015.50-62,989,416.73

Finding the Fourth Proportional to 79,442,830.09, 109,680,015.50 and 62,989,416.73

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Solution

The fourth proportional to 79,442,830.09, 109,680,015.50 and 62,989,416.73 is: 86,964,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,442,830.09 : 109,680,015.50 = 62,989,416.73 : x
  2. Step 2: Convert to fraction form
    79,442,830.09/109,680,015.50 = 62,989,416.73/x
  3. Step 3: Cross multiply
    79,442,830.09x = 109,680,015.50 × 62,989,416.73
  4. Step 4: Simplify right side
    79,442,830.09x = 6,908,680,203,282,359
  5. Step 5: Solve for x
    x = 6,908,680,203,282,359/79,442,830.09
  6. Step 6: Final answer
    x = 86,964,175.31

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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.