Home / 221,981,415.60-332,972,123.40-218,155,040.40

Finding the Fourth Proportional to 221,981,415.60, 332,972,123.40 and 218,155,040.40

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Solution

The fourth proportional to 221,981,415.60, 332,972,123.40 and 218,155,040.40 is: 327,232,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,981,415.60 : 332,972,123.40 = 218,155,040.40 : x
  2. Step 2: Convert to fraction form
    221,981,415.60/332,972,123.40 = 218,155,040.40/x
  3. Step 3: Cross multiply
    221,981,415.60x = 332,972,123.40 × 218,155,040.40
  4. Step 4: Simplify right side
    221,981,415.60x = 72,639,547,032,400,784
  5. Step 5: Solve for x
    x = 72,639,547,032,400,784/221,981,415.60
  6. Step 6: Final answer
    x = 327,232,560.60

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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.