Home / 257,809,729.33-355,786,020.15-144,799,136.29

Finding the Fourth Proportional to 257,809,729.33, 355,786,020.15 and 144,799,136.29

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Solution

The fourth proportional to 257,809,729.33, 355,786,020.15 and 144,799,136.29 is: 199,827,634.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,809,729.33 : 355,786,020.15 = 144,799,136.29 : x
  2. Step 2: Convert to fraction form
    257,809,729.33/355,786,020.15 = 144,799,136.29/x
  3. Step 3: Cross multiply
    257,809,729.33x = 355,786,020.15 × 144,799,136.29
  4. Step 4: Simplify right side
    257,809,729.33x = 51,517,508,421,776,528
  5. Step 5: Solve for x
    x = 51,517,508,421,776,528/257,809,729.33
  6. Step 6: Final answer
    x = 199,827,634.73

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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.