Home / 49,156,805.34-73,744,720.65-18,862,312.86

Finding the Fourth Proportional to 49,156,805.34, 73,744,720.65 and 18,862,312.86

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Solution

The fourth proportional to 49,156,805.34, 73,744,720.65 and 18,862,312.86 is: 28,297,119.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,156,805.34 : 73,744,720.65 = 18,862,312.86 : x
  2. Step 2: Convert to fraction form
    49,156,805.34/73,744,720.65 = 18,862,312.86/x
  3. Step 3: Cross multiply
    49,156,805.34x = 73,744,720.65 × 18,862,312.86
  4. Step 4: Simplify right side
    49,156,805.34x = 1,390,995,992,673,602.75
  5. Step 5: Solve for x
    x = 1,390,995,992,673,602.75/49,156,805.34
  6. Step 6: Final answer
    x = 28,297,119.45

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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.