Home / 129,491,214.40-194,180,834.40-64,770,011.20

Finding the Fourth Proportional to 129,491,214.40, 194,180,834.40 and 64,770,011.20

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Solution

The fourth proportional to 129,491,214.40, 194,180,834.40 and 64,770,011.20 is: 97,127,012.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,491,214.40 : 194,180,834.40 = 64,770,011.20 : x
  2. Step 2: Convert to fraction form
    129,491,214.40/194,180,834.40 = 64,770,011.20/x
  3. Step 3: Cross multiply
    129,491,214.40x = 194,180,834.40 × 64,770,011.20
  4. Step 4: Simplify right side
    129,491,214.40x = 12,577,094,818,913,346
  5. Step 5: Solve for x
    x = 12,577,094,818,913,346/129,491,214.40
  6. Step 6: Final answer
    x = 97,127,012.65

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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.