Home / 73,316,638.38-109,974,957.84-18,729,344.10

Finding the Fourth Proportional to 73,316,638.38, 109,974,957.84 and 18,729,344.10

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Solution

The fourth proportional to 73,316,638.38, 109,974,957.84 and 18,729,344.10 is: 28,094,016.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,316,638.38 : 109,974,957.84 = 18,729,344.10 : x
  2. Step 2: Convert to fraction form
    73,316,638.38/109,974,957.84 = 18,729,344.10/x
  3. Step 3: Cross multiply
    73,316,638.38x = 109,974,957.84 × 18,729,344.10
  4. Step 4: Simplify right side
    73,316,638.38x = 2,059,758,827,768,353
  5. Step 5: Solve for x
    x = 2,059,758,827,768,353/73,316,638.38
  6. Step 6: Final answer
    x = 28,094,016.22

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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.