Home / 79,729,785.80-119,520,029.10-62,448,403.40

Finding the Fourth Proportional to 79,729,785.80, 119,520,029.10 and 62,448,403.40

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Solution

The fourth proportional to 79,729,785.80, 119,520,029.10 and 62,448,403.40 is: 93,614,135.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,729,785.80 : 119,520,029.10 = 62,448,403.40 : x
  2. Step 2: Convert to fraction form
    79,729,785.80/119,520,029.10 = 62,448,403.40/x
  3. Step 3: Cross multiply
    79,729,785.80x = 119,520,029.10 × 62,448,403.40
  4. Step 4: Simplify right side
    79,729,785.80x = 7,463,834,991,616,538
  5. Step 5: Solve for x
    x = 7,463,834,991,616,538/79,729,785.80
  6. Step 6: Final answer
    x = 93,614,135.76

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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.