Home / 104,819,321.60-157,228,982.40-66,366,612.80

Finding the Fourth Proportional to 104,819,321.60, 157,228,982.40 and 66,366,612.80

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Solution

The fourth proportional to 104,819,321.60, 157,228,982.40 and 66,366,612.80 is: 99,549,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,819,321.60 : 157,228,982.40 = 66,366,612.80 : x
  2. Step 2: Convert to fraction form
    104,819,321.60/157,228,982.40 = 66,366,612.80/x
  3. Step 3: Cross multiply
    104,819,321.60x = 157,228,982.40 × 66,366,612.80
  4. Step 4: Simplify right side
    104,819,321.60x = 10,434,754,995,878,814
  5. Step 5: Solve for x
    x = 10,434,754,995,878,814/104,819,321.60
  6. Step 6: Final answer
    x = 99,549,919.20

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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.