Home / 129,378,072,541.70-194,071,062,407.92-44,386,674,862.34

Finding the Fourth Proportional to 129,378,072,541.70, 194,071,062,407.92 and 44,386,674,862.34

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Solution

The fourth proportional to 129,378,072,541.70, 194,071,062,407.92 and 44,386,674,862.34 is: 66,581,368,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,378,072,541.70 : 194,071,062,407.92 = 44,386,674,862.34 : x
  2. Step 2: Convert to fraction form
    129,378,072,541.70/194,071,062,407.92 = 44,386,674,862.34/x
  3. Step 3: Cross multiply
    129,378,072,541.70x = 194,071,062,407.92 × 44,386,674,862.34
  4. Step 4: Simplify right side
    129,378,072,541.70x = 8,614,169,147,289,629,622,272
  5. Step 5: Solve for x
    x = 8,614,169,147,289,629,622,272/129,378,072,541.70
  6. Step 6: Final answer
    x = 66,581,368,682.19

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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.