Home / 49,572,010.20-74,358,015.30-30,172,445.40

Finding the Fourth Proportional to 49,572,010.20, 74,358,015.30 and 30,172,445.40

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Solution

The fourth proportional to 49,572,010.20, 74,358,015.30 and 30,172,445.40 is: 45,258,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,572,010.20 : 74,358,015.30 = 30,172,445.40 : x
  2. Step 2: Convert to fraction form
    49,572,010.20/74,358,015.30 = 30,172,445.40/x
  3. Step 3: Cross multiply
    49,572,010.20x = 74,358,015.30 × 30,172,445.40
  4. Step 4: Simplify right side
    49,572,010.20x = 2,243,563,156,691,614.50
  5. Step 5: Solve for x
    x = 2,243,563,156,691,614.50/49,572,010.20
  6. Step 6: Final answer
    x = 45,258,668.10

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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.