Home / 54,433,472.40-81,650,208.60-31,475,221.20

Finding the Fourth Proportional to 54,433,472.40, 81,650,208.60 and 31,475,221.20

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Solution

The fourth proportional to 54,433,472.40, 81,650,208.60 and 31,475,221.20 is: 47,212,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,433,472.40 : 81,650,208.60 = 31,475,221.20 : x
  2. Step 2: Convert to fraction form
    54,433,472.40/81,650,208.60 = 31,475,221.20/x
  3. Step 3: Cross multiply
    54,433,472.40x = 81,650,208.60 × 31,475,221.20
  4. Step 4: Simplify right side
    54,433,472.40x = 2,569,958,376,711,142
  5. Step 5: Solve for x
    x = 2,569,958,376,711,142/54,433,472.40
  6. Step 6: Final answer
    x = 47,212,831.80

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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.