Home / 129,378,072,564.58-194,071,062,442.28-44,386,674,885.25

Finding the Fourth Proportional to 129,378,072,564.58, 194,071,062,442.28 and 44,386,674,885.25

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Solution

The fourth proportional to 129,378,072,564.58, 194,071,062,442.28 and 44,386,674,885.25 is: 66,581,368,716.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,378,072,564.58 : 194,071,062,442.28 = 44,386,674,885.25 : x
  2. Step 2: Convert to fraction form
    129,378,072,564.58/194,071,062,442.28 = 44,386,674,885.25/x
  3. Step 3: Cross multiply
    129,378,072,564.58x = 194,071,062,442.28 × 44,386,674,885.25
  4. Step 4: Simplify right side
    129,378,072,564.58x = 8,614,169,153,259,757,895,680
  5. Step 5: Solve for x
    x = 8,614,169,153,259,757,895,680/129,378,072,564.58
  6. Step 6: Final answer
    x = 66,581,368,716.56

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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.