Home / 394,482,862.80-591,724,294.20-103,349,422.80

Finding the Fourth Proportional to 394,482,862.80, 591,724,294.20 and 103,349,422.80

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Solution

The fourth proportional to 394,482,862.80, 591,724,294.20 and 103,349,422.80 is: 155,024,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,482,862.80 : 591,724,294.20 = 103,349,422.80 : x
  2. Step 2: Convert to fraction form
    394,482,862.80/591,724,294.20 = 103,349,422.80/x
  3. Step 3: Cross multiply
    394,482,862.80x = 591,724,294.20 × 103,349,422.80
  4. Step 4: Simplify right side
    394,482,862.80x = 61,154,364,262,307,392
  5. Step 5: Solve for x
    x = 61,154,364,262,307,392/394,482,862.80
  6. Step 6: Final answer
    x = 155,024,134.20

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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.