Home / 79,262,506.80-118,893,760.20-36,215,785.80

Finding the Fourth Proportional to 79,262,506.80, 118,893,760.20 and 36,215,785.80

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Solution

The fourth proportional to 79,262,506.80, 118,893,760.20 and 36,215,785.80 is: 54,323,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,262,506.80 : 118,893,760.20 = 36,215,785.80 : x
  2. Step 2: Convert to fraction form
    79,262,506.80/118,893,760.20 = 36,215,785.80/x
  3. Step 3: Cross multiply
    79,262,506.80x = 118,893,760.20 × 36,215,785.80
  4. Step 4: Simplify right side
    79,262,506.80x = 4,305,830,952,359,765
  5. Step 5: Solve for x
    x = 4,305,830,952,359,765/79,262,506.80
  6. Step 6: Final answer
    x = 54,323,678.70

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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.