Home / 83,238,133.80-124,857,200.70-79,836,911.40

Finding the Fourth Proportional to 83,238,133.80, 124,857,200.70 and 79,836,911.40

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Solution

The fourth proportional to 83,238,133.80, 124,857,200.70 and 79,836,911.40 is: 119,755,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,238,133.80 : 124,857,200.70 = 79,836,911.40 : x
  2. Step 2: Convert to fraction form
    83,238,133.80/124,857,200.70 = 79,836,911.40/x
  3. Step 3: Cross multiply
    83,238,133.80x = 124,857,200.70 × 79,836,911.40
  4. Step 4: Simplify right side
    83,238,133.80x = 9,968,213,269,937,918
  5. Step 5: Solve for x
    x = 9,968,213,269,937,918/83,238,133.80
  6. Step 6: Final answer
    x = 119,755,367.10

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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.