Home / 49,572,002.70-74,358,004.05-30,172,437.90

Finding the Fourth Proportional to 49,572,002.70, 74,358,004.05 and 30,172,437.90

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Solution

The fourth proportional to 49,572,002.70, 74,358,004.05 and 30,172,437.90 is: 45,258,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,572,002.70 : 74,358,004.05 = 30,172,437.90 : x
  2. Step 2: Convert to fraction form
    49,572,002.70/74,358,004.05 = 30,172,437.90/x
  3. Step 3: Cross multiply
    49,572,002.70x = 74,358,004.05 × 30,172,437.90
  4. Step 4: Simplify right side
    49,572,002.70x = 2,243,562,259,566,573.25
  5. Step 5: Solve for x
    x = 2,243,562,259,566,573.25/49,572,002.70
  6. Step 6: Final answer
    x = 45,258,656.85

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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.