Home / 79,442,701.60-119,276,026.80-49,209,613.60

Finding the Fourth Proportional to 79,442,701.60, 119,276,026.80 and 49,209,613.60

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Solution

The fourth proportional to 79,442,701.60, 119,276,026.80 and 49,209,613.60 is: 73,883,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,442,701.60 : 119,276,026.80 = 49,209,613.60 : x
  2. Step 2: Convert to fraction form
    79,442,701.60/119,276,026.80 = 49,209,613.60/x
  3. Step 3: Cross multiply
    79,442,701.60x = 119,276,026.80 × 49,209,613.60
  4. Step 4: Simplify right side
    79,442,701.60x = 5,869,527,190,571,245
  5. Step 5: Solve for x
    x = 5,869,527,190,571,245/79,442,701.60
  6. Step 6: Final answer
    x = 73,883,781.30

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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.