Home / 136,465,726.89-204,668,410.80-39,400,329.45

Finding the Fourth Proportional to 136,465,726.89, 204,668,410.80 and 39,400,329.45

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Solution

The fourth proportional to 136,465,726.89, 204,668,410.80 and 39,400,329.45 is: 59,091,780.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,465,726.89 : 204,668,410.80 = 39,400,329.45 : x
  2. Step 2: Convert to fraction form
    136,465,726.89/204,668,410.80 = 39,400,329.45/x
  3. Step 3: Cross multiply
    136,465,726.89x = 204,668,410.80 × 39,400,329.45
  4. Step 4: Simplify right side
    136,465,726.89x = 8,064,002,813,527,939
  5. Step 5: Solve for x
    x = 8,064,002,813,527,939/136,465,726.89
  6. Step 6: Final answer
    x = 59,091,780.75

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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.