Home / 127,588,002.10-191,382,003.15-89,292,757.30

Finding the Fourth Proportional to 127,588,002.10, 191,382,003.15 and 89,292,757.30

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Solution

The fourth proportional to 127,588,002.10, 191,382,003.15 and 89,292,757.30 is: 133,939,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,588,002.10 : 191,382,003.15 = 89,292,757.30 : x
  2. Step 2: Convert to fraction form
    127,588,002.10/191,382,003.15 = 89,292,757.30/x
  3. Step 3: Cross multiply
    127,588,002.10x = 191,382,003.15 × 89,292,757.30
  4. Step 4: Simplify right side
    127,588,002.10x = 17,089,026,758,860,786
  5. Step 5: Solve for x
    x = 17,089,026,758,860,786/127,588,002.10
  6. Step 6: Final answer
    x = 133,939,135.95

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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.