Home / 127,587,949.60-191,381,924.40-89,292,704.80

Finding the Fourth Proportional to 127,587,949.60, 191,381,924.40 and 89,292,704.80

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Solution

The fourth proportional to 127,587,949.60, 191,381,924.40 and 89,292,704.80 is: 133,939,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,587,949.60 : 191,381,924.40 = 89,292,704.80 : x
  2. Step 2: Convert to fraction form
    127,587,949.60/191,381,924.40 = 89,292,704.80/x
  3. Step 3: Cross multiply
    127,587,949.60x = 191,381,924.40 × 89,292,704.80
  4. Step 4: Simplify right side
    127,587,949.60x = 17,089,009,679,505,118
  5. Step 5: Solve for x
    x = 17,089,009,679,505,118/127,587,949.60
  6. Step 6: Final answer
    x = 133,939,057.20

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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.