Home / 88,808,002.40-133,212,003.60-84,981,627.20

Finding the Fourth Proportional to 88,808,002.40, 133,212,003.60 and 84,981,627.20

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Solution

The fourth proportional to 88,808,002.40, 133,212,003.60 and 84,981,627.20 is: 127,472,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,808,002.40 : 133,212,003.60 = 84,981,627.20 : x
  2. Step 2: Convert to fraction form
    88,808,002.40/133,212,003.60 = 84,981,627.20/x
  3. Step 3: Cross multiply
    88,808,002.40x = 133,212,003.60 × 84,981,627.20
  4. Step 4: Simplify right side
    88,808,002.40x = 11,320,572,828,500,258
  5. Step 5: Solve for x
    x = 11,320,572,828,500,258/88,808,002.40
  6. Step 6: Final answer
    x = 127,472,440.80

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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.