Home / 79,930,809.57-119,896,137-30,084,937.64

Finding the Fourth Proportional to 79,930,809.57, 119,896,137 and 30,084,937.64

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Solution

The fourth proportional to 79,930,809.57, 119,896,137 and 30,084,937.64 is: 45,127,377.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,930,809.57 : 119,896,137 = 30,084,937.64 : x
  2. Step 2: Convert to fraction form
    79,930,809.57/119,896,137 = 30,084,937.64/x
  3. Step 3: Cross multiply
    79,930,809.57x = 119,896,137 × 30,084,937.64
  4. Step 4: Simplify right side
    79,930,809.57x = 3,607,067,804,921,897
  5. Step 5: Solve for x
    x = 3,607,067,804,921,897/79,930,809.57
  6. Step 6: Final answer
    x = 45,127,377.34

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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.