Home / 98,931,493.80-148,397,240.70-84,263,722.20

Finding the Fourth Proportional to 98,931,493.80, 148,397,240.70 and 84,263,722.20

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Solution

The fourth proportional to 98,931,493.80, 148,397,240.70 and 84,263,722.20 is: 126,395,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,931,493.80 : 148,397,240.70 = 84,263,722.20 : x
  2. Step 2: Convert to fraction form
    98,931,493.80/148,397,240.70 = 84,263,722.20/x
  3. Step 3: Cross multiply
    98,931,493.80x = 148,397,240.70 × 84,263,722.20
  4. Step 4: Simplify right side
    98,931,493.80x = 12,504,503,865,591,332
  5. Step 5: Solve for x
    x = 12,504,503,865,591,332/98,931,493.80
  6. Step 6: Final answer
    x = 126,395,583.30

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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.