Home / 79,841,361.20-119,594,080.20-66,404,433.20

Finding the Fourth Proportional to 79,841,361.20, 119,594,080.20 and 66,404,433.20

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Solution

The fourth proportional to 79,841,361.20, 119,594,080.20 and 66,404,433.20 is: 99,466,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,841,361.20 : 119,594,080.20 = 66,404,433.20 : x
  2. Step 2: Convert to fraction form
    79,841,361.20/119,594,080.20 = 66,404,433.20/x
  3. Step 3: Cross multiply
    79,841,361.20x = 119,594,080.20 × 66,404,433.20
  4. Step 4: Simplify right side
    79,841,361.20x = 7,941,577,109,756,343
  5. Step 5: Solve for x
    x = 7,941,577,109,756,343/79,841,361.20
  6. Step 6: Final answer
    x = 99,466,955.35

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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.