Home / 74,862,002.70-112,293,004.05-18,128,306.70

Finding the Fourth Proportional to 74,862,002.70, 112,293,004.05 and 18,128,306.70

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Solution

The fourth proportional to 74,862,002.70, 112,293,004.05 and 18,128,306.70 is: 27,192,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,862,002.70 : 112,293,004.05 = 18,128,306.70 : x
  2. Step 2: Convert to fraction form
    74,862,002.70/112,293,004.05 = 18,128,306.70/x
  3. Step 3: Cross multiply
    74,862,002.70x = 112,293,004.05 × 18,128,306.70
  4. Step 4: Simplify right side
    74,862,002.70x = 2,035,682,017,682,742
  5. Step 5: Solve for x
    x = 2,035,682,017,682,742/74,862,002.70
  6. Step 6: Final answer
    x = 27,192,460.05

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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.