Home / 76,962,960.20-106,219,451.60-47,188,341.21

Finding the Fourth Proportional to 76,962,960.20, 106,219,451.60 and 47,188,341.21

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Solution

The fourth proportional to 76,962,960.20, 106,219,451.60 and 47,188,341.21 is: 65,126,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,962,960.20 : 106,219,451.60 = 47,188,341.21 : x
  2. Step 2: Convert to fraction form
    76,962,960.20/106,219,451.60 = 47,188,341.21/x
  3. Step 3: Cross multiply
    76,962,960.20x = 106,219,451.60 × 47,188,341.21
  4. Step 4: Simplify right side
    76,962,960.20x = 5,012,319,725,003,939
  5. Step 5: Solve for x
    x = 5,012,319,725,003,939/76,962,960.20
  6. Step 6: Final answer
    x = 65,126,389.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.