Home / 132,201,218.40-198,301,827.60-91,386,549.60

Finding the Fourth Proportional to 132,201,218.40, 198,301,827.60 and 91,386,549.60

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Solution

The fourth proportional to 132,201,218.40, 198,301,827.60 and 91,386,549.60 is: 137,079,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,201,218.40 : 198,301,827.60 = 91,386,549.60 : x
  2. Step 2: Convert to fraction form
    132,201,218.40/198,301,827.60 = 91,386,549.60/x
  3. Step 3: Cross multiply
    132,201,218.40x = 198,301,827.60 × 91,386,549.60
  4. Step 4: Simplify right side
    132,201,218.40x = 18,122,119,803,738,048
  5. Step 5: Solve for x
    x = 18,122,119,803,738,048/132,201,218.40
  6. Step 6: Final answer
    x = 137,079,824.40

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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.