Home / 169,976,971.53-255,010,013.91-53,387,618.13

Finding the Fourth Proportional to 169,976,971.53, 255,010,013.91 and 53,387,618.13

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Solution

The fourth proportional to 169,976,971.53, 255,010,013.91 and 53,387,618.13 is: 80,095,421.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,976,971.53 : 255,010,013.91 = 53,387,618.13 : x
  2. Step 2: Convert to fraction form
    169,976,971.53/255,010,013.91 = 53,387,618.13/x
  3. Step 3: Cross multiply
    169,976,971.53x = 255,010,013.91 × 53,387,618.13
  4. Step 4: Simplify right side
    169,976,971.53x = 13,614,377,241,953,068
  5. Step 5: Solve for x
    x = 13,614,377,241,953,068/169,976,971.53
  6. Step 6: Final answer
    x = 80,095,421.86

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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.