Home / 115,141,603.92-172,653,723-38,437,066.32

Finding the Fourth Proportional to 115,141,603.92, 172,653,723 and 38,437,066.32

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Solution

The fourth proportional to 115,141,603.92, 172,653,723 and 38,437,066.32 is: 57,636,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,141,603.92 : 172,653,723 = 38,437,066.32 : x
  2. Step 2: Convert to fraction form
    115,141,603.92/172,653,723 = 38,437,066.32/x
  3. Step 3: Cross multiply
    115,141,603.92x = 172,653,723 × 38,437,066.32
  4. Step 4: Simplify right side
    115,141,603.92x = 6,636,302,601,345,909
  5. Step 5: Solve for x
    x = 6,636,302,601,345,909/115,141,603.92
  6. Step 6: Final answer
    x = 57,636,009.71

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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.