Home / 127,719,785.20-191,561,015.40-36,833,897.20

Finding the Fourth Proportional to 127,719,785.20, 191,561,015.40 and 36,833,897.20

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Solution

The fourth proportional to 127,719,785.20, 191,561,015.40 and 36,833,897.20 is: 55,245,463.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,719,785.20 : 191,561,015.40 = 36,833,897.20 : x
  2. Step 2: Convert to fraction form
    127,719,785.20/191,561,015.40 = 36,833,897.20/x
  3. Step 3: Cross multiply
    127,719,785.20x = 191,561,015.40 × 36,833,897.20
  4. Step 4: Simplify right side
    127,719,785.20x = 7,055,938,748,771,218
  5. Step 5: Solve for x
    x = 7,055,938,748,771,218/127,719,785.20
  6. Step 6: Final answer
    x = 55,245,463.64

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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.