Home / 84,559,793.60-126,783,703.20-30,700,107.20

Finding the Fourth Proportional to 84,559,793.60, 126,783,703.20 and 30,700,107.20

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Solution

The fourth proportional to 84,559,793.60, 126,783,703.20 and 30,700,107.20 is: 46,029,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,559,793.60 : 126,783,703.20 = 30,700,107.20 : x
  2. Step 2: Convert to fraction form
    84,559,793.60/126,783,703.20 = 30,700,107.20/x
  3. Step 3: Cross multiply
    84,559,793.60x = 126,783,703.20 × 30,700,107.20
  4. Step 4: Simplify right side
    84,559,793.60x = 3,892,273,279,452,983
  5. Step 5: Solve for x
    x = 3,892,273,279,452,983/84,559,793.60
  6. Step 6: Final answer
    x = 46,029,834.20

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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.