Home / 66,433,331.20-99,649,996.80-60,374,903.80

Finding the Fourth Proportional to 66,433,331.20, 99,649,996.80 and 60,374,903.80

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Solution

The fourth proportional to 66,433,331.20, 99,649,996.80 and 60,374,903.80 is: 90,562,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,331.20 : 99,649,996.80 = 60,374,903.80 : x
  2. Step 2: Convert to fraction form
    66,433,331.20/99,649,996.80 = 60,374,903.80/x
  3. Step 3: Cross multiply
    66,433,331.20x = 99,649,996.80 × 60,374,903.80
  4. Step 4: Simplify right side
    66,433,331.20x = 6,016,358,970,470,307
  5. Step 5: Solve for x
    x = 6,016,358,970,470,307/66,433,331.20
  6. Step 6: Final answer
    x = 90,562,355.70

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1.5x scale

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.