Home / 129,495,315.20-194,242,972.80-100,584,924.80

Finding the Fourth Proportional to 129,495,315.20, 194,242,972.80 and 100,584,924.80

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Solution

The fourth proportional to 129,495,315.20, 194,242,972.80 and 100,584,924.80 is: 150,877,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,495,315.20 : 194,242,972.80 = 100,584,924.80 : x
  2. Step 2: Convert to fraction form
    129,495,315.20/194,242,972.80 = 100,584,924.80/x
  3. Step 3: Cross multiply
    129,495,315.20x = 194,242,972.80 × 100,584,924.80
  4. Step 4: Simplify right side
    129,495,315.20x = 19,537,914,812,016,448
  5. Step 5: Solve for x
    x = 19,537,914,812,016,448/129,495,315.20
  6. Step 6: Final answer
    x = 150,877,387.20

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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.