Home / 127,406,247.60-191,109,371.40-69,876,289.20

Finding the Fourth Proportional to 127,406,247.60, 191,109,371.40 and 69,876,289.20

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Solution

The fourth proportional to 127,406,247.60, 191,109,371.40 and 69,876,289.20 is: 104,814,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,406,247.60 : 191,109,371.40 = 69,876,289.20 : x
  2. Step 2: Convert to fraction form
    127,406,247.60/191,109,371.40 = 69,876,289.20/x
  3. Step 3: Cross multiply
    127,406,247.60x = 191,109,371.40 × 69,876,289.20
  4. Step 4: Simplify right side
    127,406,247.60x = 13,354,013,704,776,610
  5. Step 5: Solve for x
    x = 13,354,013,704,776,610/127,406,247.60
  6. Step 6: Final answer
    x = 104,814,433.80

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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.