Home / 123,387,341.57-185,081,001.11-54,300,145.10

Finding the Fourth Proportional to 123,387,341.57, 185,081,001.11 and 54,300,145.10

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Solution

The fourth proportional to 123,387,341.57, 185,081,001.11 and 54,300,145.10 is: 81,450,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,387,341.57 : 185,081,001.11 = 54,300,145.10 : x
  2. Step 2: Convert to fraction form
    123,387,341.57/185,081,001.11 = 54,300,145.10/x
  3. Step 3: Cross multiply
    123,387,341.57x = 185,081,001.11 × 54,300,145.10
  4. Step 4: Simplify right side
    123,387,341.57x = 10,049,925,215,004,814
  5. Step 5: Solve for x
    x = 10,049,925,215,004,814/123,387,341.57
  6. Step 6: Final answer
    x = 81,450,212.70

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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.