Home / 129,295,614.70-194,037,900.45-91,031,862.70

Finding the Fourth Proportional to 129,295,614.70, 194,037,900.45 and 91,031,862.70

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Solution

The fourth proportional to 129,295,614.70, 194,037,900.45 and 91,031,862.70 is: 136,614,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,295,614.70 : 194,037,900.45 = 91,031,862.70 : x
  2. Step 2: Convert to fraction form
    129,295,614.70/194,037,900.45 = 91,031,862.70/x
  3. Step 3: Cross multiply
    129,295,614.70x = 194,037,900.45 × 91,031,862.70
  4. Step 4: Simplify right side
    129,295,614.70x = 17,663,631,512,360,668
  5. Step 5: Solve for x
    x = 17,663,631,512,360,668/129,295,614.70
  6. Step 6: Final answer
    x = 136,614,312.51

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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.