Home / 82,972,615.20-124,458,922.80-74,752,994.40

Finding the Fourth Proportional to 82,972,615.20, 124,458,922.80 and 74,752,994.40

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Solution

The fourth proportional to 82,972,615.20, 124,458,922.80 and 74,752,994.40 is: 112,129,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,972,615.20 : 124,458,922.80 = 74,752,994.40 : x
  2. Step 2: Convert to fraction form
    82,972,615.20/124,458,922.80 = 74,752,994.40/x
  3. Step 3: Cross multiply
    82,972,615.20x = 124,458,922.80 × 74,752,994.40
  4. Step 4: Simplify right side
    82,972,615.20x = 9,303,677,159,098,432
  5. Step 5: Solve for x
    x = 9,303,677,159,098,432/82,972,615.20
  6. Step 6: Final answer
    x = 112,129,491.60

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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.