Home / 124,013,300.13-171,127,230.66-71,805,859.43

Finding the Fourth Proportional to 124,013,300.13, 171,127,230.66 and 71,805,859.43

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Solution

The fourth proportional to 124,013,300.13, 171,127,230.66 and 71,805,859.43 is: 99,085,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,013,300.13 : 171,127,230.66 = 71,805,859.43 : x
  2. Step 2: Convert to fraction form
    124,013,300.13/171,127,230.66 = 71,805,859.43/x
  3. Step 3: Cross multiply
    124,013,300.13x = 171,127,230.66 × 71,805,859.43
  4. Step 4: Simplify right side
    124,013,300.13x = 12,287,937,868,561,510
  5. Step 5: Solve for x
    x = 12,287,937,868,561,510/124,013,300.13
  6. Step 6: Final answer
    x = 99,085,645.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.