Home / 79,880,304.12-119,894,103.40-40,516,186.31

Finding the Fourth Proportional to 79,880,304.12, 119,894,103.40 and 40,516,186.31

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Solution

The fourth proportional to 79,880,304.12, 119,894,103.40 and 40,516,186.31 is: 60,811,634.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,880,304.12 : 119,894,103.40 = 40,516,186.31 : x
  2. Step 2: Convert to fraction form
    79,880,304.12/119,894,103.40 = 40,516,186.31/x
  3. Step 3: Cross multiply
    79,880,304.12x = 119,894,103.40 × 40,516,186.31
  4. Step 4: Simplify right side
    79,880,304.12x = 4,857,651,830,824,805
  5. Step 5: Solve for x
    x = 4,857,651,830,824,805/79,880,304.12
  6. Step 6: Final answer
    x = 60,811,634.16

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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.