Home / 52,897,808.20-79,328,049.90-18,820,265.80

Finding the Fourth Proportional to 52,897,808.20, 79,328,049.90 and 18,820,265.80

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Solution

The fourth proportional to 52,897,808.20, 79,328,049.90 and 18,820,265.80 is: 28,223,758.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,897,808.20 : 79,328,049.90 = 18,820,265.80 : x
  2. Step 2: Convert to fraction form
    52,897,808.20/79,328,049.90 = 18,820,265.80/x
  3. Step 3: Cross multiply
    52,897,808.20x = 79,328,049.90 × 18,820,265.80
  4. Step 4: Simplify right side
    52,897,808.20x = 1,492,974,984,513,663.50
  5. Step 5: Solve for x
    x = 1,492,974,984,513,663.50/52,897,808.20
  6. Step 6: Final answer
    x = 28,223,758.89

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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.