Home / 132,201,210.90-198,301,816.35-91,386,542.10

Finding the Fourth Proportional to 132,201,210.90, 198,301,816.35 and 91,386,542.10

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Solution

The fourth proportional to 132,201,210.90, 198,301,816.35 and 91,386,542.10 is: 137,079,813.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,201,210.90 : 198,301,816.35 = 91,386,542.10 : x
  2. Step 2: Convert to fraction form
    132,201,210.90/198,301,816.35 = 91,386,542.10/x
  3. Step 3: Cross multiply
    132,201,210.90x = 198,301,816.35 × 91,386,542.10
  4. Step 4: Simplify right side
    132,201,210.90x = 18,122,117,288,375,740
  5. Step 5: Solve for x
    x = 18,122,117,288,375,740/132,201,210.90
  6. Step 6: Final answer
    x = 137,079,813.15

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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.