Home / 99,760,245.60-149,640,368.40-58,945,576.80

Finding the Fourth Proportional to 99,760,245.60, 149,640,368.40 and 58,945,576.80

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Solution

The fourth proportional to 99,760,245.60, 149,640,368.40 and 58,945,576.80 is: 88,418,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,760,245.60 : 149,640,368.40 = 58,945,576.80 : x
  2. Step 2: Convert to fraction form
    99,760,245.60/149,640,368.40 = 58,945,576.80/x
  3. Step 3: Cross multiply
    99,760,245.60x = 149,640,368.40 × 58,945,576.80
  4. Step 4: Simplify right side
    99,760,245.60x = 8,820,637,827,902,493
  5. Step 5: Solve for x
    x = 8,820,637,827,902,493/99,760,245.60
  6. Step 6: Final answer
    x = 88,418,365.20

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1.5x scale

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.