Home / 99,650,882.80-149,476,324.20-91,336,783.60

Finding the Fourth Proportional to 99,650,882.80, 149,476,324.20 and 91,336,783.60

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Solution

The fourth proportional to 99,650,882.80, 149,476,324.20 and 91,336,783.60 is: 137,005,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,650,882.80 : 149,476,324.20 = 91,336,783.60 : x
  2. Step 2: Convert to fraction form
    99,650,882.80/149,476,324.20 = 91,336,783.60/x
  3. Step 3: Cross multiply
    99,650,882.80x = 149,476,324.20 × 91,336,783.60
  4. Step 4: Simplify right side
    99,650,882.80x = 13,652,686,676,778,842
  5. Step 5: Solve for x
    x = 13,652,686,676,778,842/99,650,882.80
  6. Step 6: Final answer
    x = 137,005,175.40

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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.