Home / 91,578,427.14-137,388,874.14-30,165,377.34

Finding the Fourth Proportional to 91,578,427.14, 137,388,874.14 and 30,165,377.34

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Solution

The fourth proportional to 91,578,427.14, 137,388,874.14 and 30,165,377.34 is: 45,255,060.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,578,427.14 : 137,388,874.14 = 30,165,377.34 : x
  2. Step 2: Convert to fraction form
    91,578,427.14/137,388,874.14 = 30,165,377.34/x
  3. Step 3: Cross multiply
    91,578,427.14x = 137,388,874.14 × 30,165,377.34
  4. Step 4: Simplify right side
    91,578,427.14x = 4,144,387,230,750,867.50
  5. Step 5: Solve for x
    x = 4,144,387,230,750,867.50/91,578,427.14
  6. Step 6: Final answer
    x = 45,255,060.17

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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.