Home / 66,431,101.20-99,646,651.80-37,254,990.30

Finding the Fourth Proportional to 66,431,101.20, 99,646,651.80 and 37,254,990.30

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Solution

The fourth proportional to 66,431,101.20, 99,646,651.80 and 37,254,990.30 is: 55,882,485.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,431,101.20 : 99,646,651.80 = 37,254,990.30 : x
  2. Step 2: Convert to fraction form
    66,431,101.20/99,646,651.80 = 37,254,990.30/x
  3. Step 3: Cross multiply
    66,431,101.20x = 99,646,651.80 × 37,254,990.30
  4. Step 4: Simplify right side
    66,431,101.20x = 3,712,335,046,236,477
  5. Step 5: Solve for x
    x = 3,712,335,046,236,477/66,431,101.20
  6. Step 6: Final answer
    x = 55,882,485.45

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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.