Home / 74,672,025.10-112,008,037.65-20,819,337.10

Finding the Fourth Proportional to 74,672,025.10, 112,008,037.65 and 20,819,337.10

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Solution

The fourth proportional to 74,672,025.10, 112,008,037.65 and 20,819,337.10 is: 31,229,005.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,672,025.10 : 112,008,037.65 = 20,819,337.10 : x
  2. Step 2: Convert to fraction form
    74,672,025.10/112,008,037.65 = 20,819,337.10/x
  3. Step 3: Cross multiply
    74,672,025.10x = 112,008,037.65 × 20,819,337.10
  4. Step 4: Simplify right side
    74,672,025.10x = 2,331,933,093,744,842
  5. Step 5: Solve for x
    x = 2,331,933,093,744,842/74,672,025.10
  6. Step 6: Final answer
    x = 31,229,005.65

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Similar ratio
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1.5x scale

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.