Home / 66,066,829.20-99,100,243.80-60,008,401.80

Finding the Fourth Proportional to 66,066,829.20, 99,100,243.80 and 60,008,401.80

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Solution

The fourth proportional to 66,066,829.20, 99,100,243.80 and 60,008,401.80 is: 90,012,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,066,829.20 : 99,100,243.80 = 60,008,401.80 : x
  2. Step 2: Convert to fraction form
    66,066,829.20/99,100,243.80 = 60,008,401.80/x
  3. Step 3: Cross multiply
    66,066,829.20x = 99,100,243.80 × 60,008,401.80
  4. Step 4: Simplify right side
    66,066,829.20x = 5,946,847,248,428,358
  5. Step 5: Solve for x
    x = 5,946,847,248,428,358/66,066,829.20
  6. Step 6: Final answer
    x = 90,012,602.70

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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.