Home / 48,387,870.30-72,581,805.45-12,486,078.30

Finding the Fourth Proportional to 48,387,870.30, 72,581,805.45 and 12,486,078.30

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Solution

The fourth proportional to 48,387,870.30, 72,581,805.45 and 12,486,078.30 is: 18,729,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387,870.30 : 72,581,805.45 = 12,486,078.30 : x
  2. Step 2: Convert to fraction form
    48,387,870.30/72,581,805.45 = 12,486,078.30/x
  3. Step 3: Cross multiply
    48,387,870.30x = 72,581,805.45 × 12,486,078.30
  4. Step 4: Simplify right side
    48,387,870.30x = 906,262,106,004,066.88
  5. Step 5: Solve for x
    x = 906,262,106,004,066.88/48,387,870.30
  6. Step 6: Final answer
    x = 18,729,117.45

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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.