Home / 97,729,289.40-146,593,934.10-72,220,121.40

Finding the Fourth Proportional to 97,729,289.40, 146,593,934.10 and 72,220,121.40

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Solution

The fourth proportional to 97,729,289.40, 146,593,934.10 and 72,220,121.40 is: 108,330,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,729,289.40 : 146,593,934.10 = 72,220,121.40 : x
  2. Step 2: Convert to fraction form
    97,729,289.40/146,593,934.10 = 72,220,121.40/x
  3. Step 3: Cross multiply
    97,729,289.40x = 146,593,934.10 × 72,220,121.40
  4. Step 4: Simplify right side
    97,729,289.40x = 10,587,031,717,205,600
  5. Step 5: Solve for x
    x = 10,587,031,717,205,600/97,729,289.40
  6. Step 6: Final answer
    x = 108,330,182.10

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Similar ratio
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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.