Home / 48,776,071.80-73,164,139.26-12,387,191.16

Finding the Fourth Proportional to 48,776,071.80, 73,164,139.26 and 12,387,191.16

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Solution

The fourth proportional to 48,776,071.80, 73,164,139.26 and 12,387,191.16 is: 18,580,794.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,776,071.80 : 73,164,139.26 = 12,387,191.16 : x
  2. Step 2: Convert to fraction form
    48,776,071.80/73,164,139.26 = 12,387,191.16/x
  3. Step 3: Cross multiply
    48,776,071.80x = 73,164,139.26 × 12,387,191.16
  4. Step 4: Simplify right side
    48,776,071.80x = 906,298,179,070,481
  5. Step 5: Solve for x
    x = 906,298,179,070,481/48,776,071.80
  6. Step 6: Final answer
    x = 18,580,794.75

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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.