Home / 74,662,711.10-112,012,955.85-20,810,023.10

Finding the Fourth Proportional to 74,662,711.10, 112,012,955.85 and 20,810,023.10

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Solution

The fourth proportional to 74,662,711.10, 112,012,955.85 and 20,810,023.10 is: 31,220,299.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,662,711.10 : 112,012,955.85 = 20,810,023.10 : x
  2. Step 2: Convert to fraction form
    74,662,711.10/112,012,955.85 = 20,810,023.10/x
  3. Step 3: Cross multiply
    74,662,711.10x = 112,012,955.85 × 20,810,023.10
  4. Step 4: Simplify right side
    74,662,711.10x = 2,330,992,198,737,780
  5. Step 5: Solve for x
    x = 2,330,992,198,737,780/74,662,711.10
  6. Step 6: Final answer
    x = 31,220,299.46

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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.