Home / 104,820,138.60-157,230,207.90-66,367,429.80

Finding the Fourth Proportional to 104,820,138.60, 157,230,207.90 and 66,367,429.80

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Solution

The fourth proportional to 104,820,138.60, 157,230,207.90 and 66,367,429.80 is: 99,551,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,820,138.60 : 157,230,207.90 = 66,367,429.80 : x
  2. Step 2: Convert to fraction form
    104,820,138.60/157,230,207.90 = 66,367,429.80/x
  3. Step 3: Cross multiply
    104,820,138.60x = 157,230,207.90 × 66,367,429.80
  4. Step 4: Simplify right side
    104,820,138.60x = 10,434,964,785,242,656
  5. Step 5: Solve for x
    x = 10,434,964,785,242,656/104,820,138.60
  6. Step 6: Final answer
    x = 99,551,144.70

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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.