Home / 48,387,891.40-72,581,837.10-30,471,987.40

Finding the Fourth Proportional to 48,387,891.40, 72,581,837.10 and 30,471,987.40

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Solution

The fourth proportional to 48,387,891.40, 72,581,837.10 and 30,471,987.40 is: 45,707,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387,891.40 : 72,581,837.10 = 30,471,987.40 : x
  2. Step 2: Convert to fraction form
    48,387,891.40/72,581,837.10 = 30,471,987.40/x
  3. Step 3: Cross multiply
    48,387,891.40x = 72,581,837.10 × 30,471,987.40
  4. Step 4: Simplify right side
    48,387,891.40x = 2,211,712,825,580,052.25
  5. Step 5: Solve for x
    x = 2,211,712,825,580,052.25/48,387,891.40
  6. Step 6: Final answer
    x = 45,707,981.10

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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.