Home / 127,887,261.40-191,830,892.10-89,592,016.60

Finding the Fourth Proportional to 127,887,261.40, 191,830,892.10 and 89,592,016.60

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Solution

The fourth proportional to 127,887,261.40, 191,830,892.10 and 89,592,016.60 is: 134,388,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,887,261.40 : 191,830,892.10 = 89,592,016.60 : x
  2. Step 2: Convert to fraction form
    127,887,261.40/191,830,892.10 = 89,592,016.60/x
  3. Step 3: Cross multiply
    127,887,261.40x = 191,830,892.10 × 89,592,016.60
  4. Step 4: Simplify right side
    127,887,261.40x = 17,186,516,469,416,008
  5. Step 5: Solve for x
    x = 17,186,516,469,416,008/127,887,261.40
  6. Step 6: Final answer
    x = 134,388,024.90

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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.