Home / 131,741,645.03-181,743,854.25-79,513,985.51

Finding the Fourth Proportional to 131,741,645.03, 181,743,854.25 and 79,513,985.51

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Solution

The fourth proportional to 131,741,645.03, 181,743,854.25 and 79,513,985.51 is: 109,693,318.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,741,645.03 : 181,743,854.25 = 79,513,985.51 : x
  2. Step 2: Convert to fraction form
    131,741,645.03/181,743,854.25 = 79,513,985.51/x
  3. Step 3: Cross multiply
    131,741,645.03x = 181,743,854.25 × 79,513,985.51
  4. Step 4: Simplify right side
    131,741,645.03x = 14,451,178,192,457,332
  5. Step 5: Solve for x
    x = 14,451,178,192,457,332/131,741,645.03
  6. Step 6: Final answer
    x = 109,693,318.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.