Home / 92,957,240.70-139,435,861.05-87,666,450.30

Finding the Fourth Proportional to 92,957,240.70, 139,435,861.05 and 87,666,450.30

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Solution

The fourth proportional to 92,957,240.70, 139,435,861.05 and 87,666,450.30 is: 131,499,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,957,240.70 : 139,435,861.05 = 87,666,450.30 : x
  2. Step 2: Convert to fraction form
    92,957,240.70/139,435,861.05 = 87,666,450.30/x
  3. Step 3: Cross multiply
    92,957,240.70x = 139,435,861.05 × 87,666,450.30
  4. Step 4: Simplify right side
    92,957,240.70x = 12,223,846,982,777,532
  5. Step 5: Solve for x
    x = 12,223,846,982,777,532/92,957,240.70
  6. Step 6: Final answer
    x = 131,499,675.45

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Double scale
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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.