Home / 136,810,872.59-188,799,186.23-74,087,078.69

Finding the Fourth Proportional to 136,810,872.59, 188,799,186.23 and 74,087,078.69

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Solution

The fourth proportional to 136,810,872.59, 188,799,186.23 and 74,087,078.69 is: 102,240,267.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,810,872.59 : 188,799,186.23 = 74,087,078.69 : x
  2. Step 2: Convert to fraction form
    136,810,872.59/188,799,186.23 = 74,087,078.69/x
  3. Step 3: Cross multiply
    136,810,872.59x = 188,799,186.23 × 74,087,078.69
  4. Step 4: Simplify right side
    136,810,872.59x = 13,987,580,166,829,974
  5. Step 5: Solve for x
    x = 13,987,580,166,829,974/136,810,872.59
  6. Step 6: Final answer
    x = 102,240,267.18

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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.