Home / 84,221,402.40-126,332,103.60-51,484,636.80

Finding the Fourth Proportional to 84,221,402.40, 126,332,103.60 and 51,484,636.80

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Solution

The fourth proportional to 84,221,402.40, 126,332,103.60 and 51,484,636.80 is: 77,226,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,221,402.40 : 126,332,103.60 = 51,484,636.80 : x
  2. Step 2: Convert to fraction form
    84,221,402.40/126,332,103.60 = 51,484,636.80/x
  3. Step 3: Cross multiply
    84,221,402.40x = 126,332,103.60 × 51,484,636.80
  4. Step 4: Simplify right side
    84,221,402.40x = 6,504,162,470,025,972
  5. Step 5: Solve for x
    x = 6,504,162,470,025,972/84,221,402.40
  6. Step 6: Final answer
    x = 77,226,955.20

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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.