Home / 55,207,429.80-82,815,081.30-16,868,882.40

Finding the Fourth Proportional to 55,207,429.80, 82,815,081.30 and 16,868,882.40

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Solution

The fourth proportional to 55,207,429.80, 82,815,081.30 and 16,868,882.40 is: 25,304,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,207,429.80 : 82,815,081.30 = 16,868,882.40 : x
  2. Step 2: Convert to fraction form
    55,207,429.80/82,815,081.30 = 16,868,882.40/x
  3. Step 3: Cross multiply
    55,207,429.80x = 82,815,081.30 × 16,868,882.40
  4. Step 4: Simplify right side
    55,207,429.80x = 1,396,997,867,396,139
  5. Step 5: Solve for x
    x = 1,396,997,867,396,139/55,207,429.80
  6. Step 6: Final answer
    x = 25,304,526.45

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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.