Home / 79,266,998.70-118,900,498.05-45,254,774.70

Finding the Fourth Proportional to 79,266,998.70, 118,900,498.05 and 45,254,774.70

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Solution

The fourth proportional to 79,266,998.70, 118,900,498.05 and 45,254,774.70 is: 67,882,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,266,998.70 : 118,900,498.05 = 45,254,774.70 : x
  2. Step 2: Convert to fraction form
    79,266,998.70/118,900,498.05 = 45,254,774.70/x
  3. Step 3: Cross multiply
    79,266,998.70x = 118,900,498.05 × 45,254,774.70
  4. Step 4: Simplify right side
    79,266,998.70x = 5,380,815,250,970,540
  5. Step 5: Solve for x
    x = 5,380,815,250,970,540/79,266,998.70
  6. Step 6: Final answer
    x = 67,882,162.05

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1.5x scale

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.