Home / 127,587,999.60-191,381,999.40-89,292,754.80

Finding the Fourth Proportional to 127,587,999.60, 191,381,999.40 and 89,292,754.80

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Solution

The fourth proportional to 127,587,999.60, 191,381,999.40 and 89,292,754.80 is: 133,939,132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,587,999.60 : 191,381,999.40 = 89,292,754.80 : x
  2. Step 2: Convert to fraction form
    127,587,999.60/191,381,999.40 = 89,292,754.80/x
  3. Step 3: Cross multiply
    127,587,999.60x = 191,381,999.40 × 89,292,754.80
  4. Step 4: Simplify right side
    127,587,999.60x = 17,089,025,945,557,948
  5. Step 5: Solve for x
    x = 17,089,025,945,557,948/127,587,999.60
  6. Step 6: Final answer
    x = 133,939,132.20

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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.