Home / 192,167,642.68-288,191,855.15-69,329,990.89

Finding the Fourth Proportional to 192,167,642.68, 288,191,855.15 and 69,329,990.89

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Solution

The fourth proportional to 192,167,642.68, 288,191,855.15 and 69,329,990.89 is: 103,973,480.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,167,642.68 : 288,191,855.15 = 69,329,990.89 : x
  2. Step 2: Convert to fraction form
    192,167,642.68/288,191,855.15 = 69,329,990.89/x
  3. Step 3: Cross multiply
    192,167,642.68x = 288,191,855.15 × 69,329,990.89
  4. Step 4: Simplify right side
    192,167,642.68x = 19,980,338,692,395,276
  5. Step 5: Solve for x
    x = 19,980,338,692,395,276/192,167,642.68
  6. Step 6: Final answer
    x = 103,973,480.73

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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.