Home / 195,418,974.80-293,128,462.20-99,668,421.20

Finding the Fourth Proportional to 195,418,974.80, 293,128,462.20 and 99,668,421.20

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Solution

The fourth proportional to 195,418,974.80, 293,128,462.20 and 99,668,421.20 is: 149,502,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,418,974.80 : 293,128,462.20 = 99,668,421.20 : x
  2. Step 2: Convert to fraction form
    195,418,974.80/293,128,462.20 = 99,668,421.20/x
  3. Step 3: Cross multiply
    195,418,974.80x = 293,128,462.20 × 99,668,421.20
  4. Step 4: Simplify right side
    195,418,974.80x = 29,215,651,036,257,880
  5. Step 5: Solve for x
    x = 29,215,651,036,257,880/195,418,974.80
  6. Step 6: Final answer
    x = 149,502,631.80

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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.