Home / 132,859,995.40-199,289,993.10-105,986,139.40

Finding the Fourth Proportional to 132,859,995.40, 199,289,993.10 and 105,986,139.40

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Solution

The fourth proportional to 132,859,995.40, 199,289,993.10 and 105,986,139.40 is: 158,979,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,859,995.40 : 199,289,993.10 = 105,986,139.40 : x
  2. Step 2: Convert to fraction form
    132,859,995.40/199,289,993.10 = 105,986,139.40/x
  3. Step 3: Cross multiply
    132,859,995.40x = 199,289,993.10 × 105,986,139.40
  4. Step 4: Simplify right side
    132,859,995.40x = 21,121,976,989,721,640
  5. Step 5: Solve for x
    x = 21,121,976,989,721,640/132,859,995.40
  6. Step 6: Final answer
    x = 158,979,209.10

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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.