Home / 99,840,150.40-149,760,225.60-83,715,836.80

Finding the Fourth Proportional to 99,840,150.40, 149,760,225.60 and 83,715,836.80

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Solution

The fourth proportional to 99,840,150.40, 149,760,225.60 and 83,715,836.80 is: 125,573,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,840,150.40 : 149,760,225.60 = 83,715,836.80 : x
  2. Step 2: Convert to fraction form
    99,840,150.40/149,760,225.60 = 83,715,836.80/x
  3. Step 3: Cross multiply
    99,840,150.40x = 149,760,225.60 × 83,715,836.80
  4. Step 4: Simplify right side
    99,840,150.40x = 12,537,302,605,460,782
  5. Step 5: Solve for x
    x = 12,537,302,605,460,782/99,840,150.40
  6. Step 6: Final answer
    x = 125,573,755.20

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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.