Home / 70,227,010.20-105,340,515.30-18,411,512.70

Finding the Fourth Proportional to 70,227,010.20, 105,340,515.30 and 18,411,512.70

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Solution

The fourth proportional to 70,227,010.20, 105,340,515.30 and 18,411,512.70 is: 27,617,269.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,227,010.20 : 105,340,515.30 = 18,411,512.70 : x
  2. Step 2: Convert to fraction form
    70,227,010.20/105,340,515.30 = 18,411,512.70/x
  3. Step 3: Cross multiply
    70,227,010.20x = 105,340,515.30 × 18,411,512.70
  4. Step 4: Simplify right side
    70,227,010.20x = 1,939,478,235,270,494.25
  5. Step 5: Solve for x
    x = 1,939,478,235,270,494.25/70,227,010.20
  6. Step 6: Final answer
    x = 27,617,269.05

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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.