Home / 48,290,428.20-72,435,642.30-15,947,322.60

Finding the Fourth Proportional to 48,290,428.20, 72,435,642.30 and 15,947,322.60

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Solution

The fourth proportional to 48,290,428.20, 72,435,642.30 and 15,947,322.60 is: 23,920,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,290,428.20 : 72,435,642.30 = 15,947,322.60 : x
  2. Step 2: Convert to fraction form
    48,290,428.20/72,435,642.30 = 15,947,322.60/x
  3. Step 3: Cross multiply
    48,290,428.20x = 72,435,642.30 × 15,947,322.60
  4. Step 4: Simplify right side
    48,290,428.20x = 1,155,154,555,496,306
  5. Step 5: Solve for x
    x = 1,155,154,555,496,306/48,290,428.20
  6. Step 6: Final answer
    x = 23,920,983.90

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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.