Home / 127,584,015.40-191,376,023.10-117,730,268.20

Finding the Fourth Proportional to 127,584,015.40, 191,376,023.10 and 117,730,268.20

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Solution

The fourth proportional to 127,584,015.40, 191,376,023.10 and 117,730,268.20 is: 176,595,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,584,015.40 : 191,376,023.10 = 117,730,268.20 : x
  2. Step 2: Convert to fraction form
    127,584,015.40/191,376,023.10 = 117,730,268.20/x
  3. Step 3: Cross multiply
    127,584,015.40x = 191,376,023.10 × 117,730,268.20
  4. Step 4: Simplify right side
    127,584,015.40x = 22,530,750,526,612,396
  5. Step 5: Solve for x
    x = 22,530,750,526,612,396/127,584,015.40
  6. Step 6: Final answer
    x = 176,595,402.30

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Similar ratio
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1.5x scale

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.