Home / 60,467,572.80-90,701,359.20-20,078,056.80

Finding the Fourth Proportional to 60,467,572.80, 90,701,359.20 and 20,078,056.80

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Solution

The fourth proportional to 60,467,572.80, 90,701,359.20 and 20,078,056.80 is: 30,117,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,467,572.80 : 90,701,359.20 = 20,078,056.80 : x
  2. Step 2: Convert to fraction form
    60,467,572.80/90,701,359.20 = 20,078,056.80/x
  3. Step 3: Cross multiply
    60,467,572.80x = 90,701,359.20 × 20,078,056.80
  4. Step 4: Simplify right side
    60,467,572.80x = 1,821,107,041,854,802.75
  5. Step 5: Solve for x
    x = 1,821,107,041,854,802.75/60,467,572.80
  6. Step 6: Final answer
    x = 30,117,085.20

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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.