Home / 64,821,859.80-97,102,152.90-40,486,090.20

Finding the Fourth Proportional to 64,821,859.80, 97,102,152.90 and 40,486,090.20

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Solution

The fourth proportional to 64,821,859.80, 97,102,152.90 and 40,486,090.20 is: 60,647,542.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,821,859.80 : 97,102,152.90 = 40,486,090.20 : x
  2. Step 2: Convert to fraction form
    64,821,859.80/97,102,152.90 = 40,486,090.20/x
  3. Step 3: Cross multiply
    64,821,859.80x = 97,102,152.90 × 40,486,090.20
  4. Step 4: Simplify right side
    64,821,859.80x = 3,931,286,520,923,592
  5. Step 5: Solve for x
    x = 3,931,286,520,923,592/64,821,859.80
  6. Step 6: Final answer
    x = 60,647,542.87

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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.