Home / 52,897,809.20-79,328,051.40-18,820,266.80

Finding the Fourth Proportional to 52,897,809.20, 79,328,051.40 and 18,820,266.80

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Solution

The fourth proportional to 52,897,809.20, 79,328,051.40 and 18,820,266.80 is: 28,223,760.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,897,809.20 : 79,328,051.40 = 18,820,266.80 : x
  2. Step 2: Convert to fraction form
    52,897,809.20/79,328,051.40 = 18,820,266.80/x
  3. Step 3: Cross multiply
    52,897,809.20x = 79,328,051.40 × 18,820,266.80
  4. Step 4: Simplify right side
    52,897,809.20x = 1,492,975,092,072,113.75
  5. Step 5: Solve for x
    x = 1,492,975,092,072,113.75/52,897,809.20
  6. Step 6: Final answer
    x = 28,223,760.39

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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.