Home / 123,387,345.26-185,081,006.67-54,300,148.77

Finding the Fourth Proportional to 123,387,345.26, 185,081,006.67 and 54,300,148.77

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Solution

The fourth proportional to 123,387,345.26, 185,081,006.67 and 54,300,148.77 is: 81,450,218.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,387,345.26 : 185,081,006.67 = 54,300,148.77 : x
  2. Step 2: Convert to fraction form
    123,387,345.26/185,081,006.67 = 54,300,148.77/x
  3. Step 3: Cross multiply
    123,387,345.26x = 185,081,006.67 × 54,300,148.77
  4. Step 4: Simplify right side
    123,387,345.26x = 10,049,926,197,172,790
  5. Step 5: Solve for x
    x = 10,049,926,197,172,790/123,387,345.26
  6. Step 6: Final answer
    x = 81,450,218.22

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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.