Home / 129,027,755.60-193,541,633.40-118,726,110.80

Finding the Fourth Proportional to 129,027,755.60, 193,541,633.40 and 118,726,110.80

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Solution

The fourth proportional to 129,027,755.60, 193,541,633.40 and 118,726,110.80 is: 178,089,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,027,755.60 : 193,541,633.40 = 118,726,110.80 : x
  2. Step 2: Convert to fraction form
    129,027,755.60/193,541,633.40 = 118,726,110.80/x
  3. Step 3: Cross multiply
    129,027,755.60x = 193,541,633.40 × 118,726,110.80
  4. Step 4: Simplify right side
    129,027,755.60x = 22,978,445,411,461,380
  5. Step 5: Solve for x
    x = 22,978,445,411,461,380/129,027,755.60
  6. Step 6: Final answer
    x = 178,089,166.20

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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.