Home / 143,332,809.60-214,999,214.40-88,913,251.20

Finding the Fourth Proportional to 143,332,809.60, 214,999,214.40 and 88,913,251.20

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Solution

The fourth proportional to 143,332,809.60, 214,999,214.40 and 88,913,251.20 is: 133,369,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,332,809.60 : 214,999,214.40 = 88,913,251.20 : x
  2. Step 2: Convert to fraction form
    143,332,809.60/214,999,214.40 = 88,913,251.20/x
  3. Step 3: Cross multiply
    143,332,809.60x = 214,999,214.40 × 88,913,251.20
  4. Step 4: Simplify right side
    143,332,809.60x = 19,116,279,157,749,860
  5. Step 5: Solve for x
    x = 19,116,279,157,749,860/143,332,809.60
  6. Step 6: Final answer
    x = 133,369,876.80

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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.