Home / 79,774,040.84-119,626,306.18-42,374,470.95

Finding the Fourth Proportional to 79,774,040.84, 119,626,306.18 and 42,374,470.95

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Solution

The fourth proportional to 79,774,040.84, 119,626,306.18 and 42,374,470.95 is: 63,543,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,774,040.84 : 119,626,306.18 = 42,374,470.95 : x
  2. Step 2: Convert to fraction form
    79,774,040.84/119,626,306.18 = 42,374,470.95/x
  3. Step 3: Cross multiply
    79,774,040.84x = 119,626,306.18 × 42,374,470.95
  4. Step 4: Simplify right side
    79,774,040.84x = 5,069,101,435,974,279
  5. Step 5: Solve for x
    x = 5,069,101,435,974,279/79,774,040.84
  6. Step 6: Final answer
    x = 63,543,245.18

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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.