Home / 129,295,384.20-194,037,554.70-91,031,632.20

Finding the Fourth Proportional to 129,295,384.20, 194,037,554.70 and 91,031,632.20

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Solution

The fourth proportional to 129,295,384.20, 194,037,554.70 and 91,031,632.20 is: 136,613,966.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,295,384.20 : 194,037,554.70 = 91,031,632.20 : x
  2. Step 2: Convert to fraction form
    129,295,384.20/194,037,554.70 = 91,031,632.20/x
  3. Step 3: Cross multiply
    129,295,384.20x = 194,037,554.70 × 91,031,632.20
  4. Step 4: Simplify right side
    129,295,384.20x = 17,663,555,312,437,780
  5. Step 5: Solve for x
    x = 17,663,555,312,437,780/129,295,384.20
  6. Step 6: Final answer
    x = 136,613,966.71

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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.