Home / 154,735,223.40-231,837,414.30-73,781,879.40

Finding the Fourth Proportional to 154,735,223.40, 231,837,414.30 and 73,781,879.40

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Solution

The fourth proportional to 154,735,223.40, 231,837,414.30 and 73,781,879.40 is: 110,546,259.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,735,223.40 : 231,837,414.30 = 73,781,879.40 : x
  2. Step 2: Convert to fraction form
    154,735,223.40/231,837,414.30 = 73,781,879.40/x
  3. Step 3: Cross multiply
    154,735,223.40x = 231,837,414.30 × 73,781,879.40
  4. Step 4: Simplify right side
    154,735,223.40x = 17,105,400,142,290,438
  5. Step 5: Solve for x
    x = 17,105,400,142,290,438/154,735,223.40
  6. Step 6: Final answer
    x = 110,546,259.39

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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.