Home / 77,930,987.13-107,545,718.82-43,126,916.04

Finding the Fourth Proportional to 77,930,987.13, 107,545,718.82 and 43,126,916.04

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Solution

The fourth proportional to 77,930,987.13, 107,545,718.82 and 43,126,916.04 is: 59,515,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,930,987.13 : 107,545,718.82 = 43,126,916.04 : x
  2. Step 2: Convert to fraction form
    77,930,987.13/107,545,718.82 = 43,126,916.04/x
  3. Step 3: Cross multiply
    77,930,987.13x = 107,545,718.82 × 43,126,916.04
  4. Step 4: Simplify right side
    77,930,987.13x = 4,638,115,186,011,587
  5. Step 5: Solve for x
    x = 4,638,115,186,011,587/77,930,987.13
  6. Step 6: Final answer
    x = 59,515,673.51

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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.