Home / 130,278,829.60-195,418,244.40-84,929,197.60

Finding the Fourth Proportional to 130,278,829.60, 195,418,244.40 and 84,929,197.60

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Solution

The fourth proportional to 130,278,829.60, 195,418,244.40 and 84,929,197.60 is: 127,393,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,278,829.60 : 195,418,244.40 = 84,929,197.60 : x
  2. Step 2: Convert to fraction form
    130,278,829.60/195,418,244.40 = 84,929,197.60/x
  3. Step 3: Cross multiply
    130,278,829.60x = 195,418,244.40 × 84,929,197.60
  4. Step 4: Simplify right side
    130,278,829.60x = 16,596,714,693,292,692
  5. Step 5: Solve for x
    x = 16,596,714,693,292,692/130,278,829.60
  6. Step 6: Final answer
    x = 127,393,796.40

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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.