Home / 82,058,037.60-123,087,056.40-47,961,832.80

Finding the Fourth Proportional to 82,058,037.60, 123,087,056.40 and 47,961,832.80

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Solution

The fourth proportional to 82,058,037.60, 123,087,056.40 and 47,961,832.80 is: 71,942,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,058,037.60 : 123,087,056.40 = 47,961,832.80 : x
  2. Step 2: Convert to fraction form
    82,058,037.60/123,087,056.40 = 47,961,832.80/x
  3. Step 3: Cross multiply
    82,058,037.60x = 123,087,056.40 × 47,961,832.80
  4. Step 4: Simplify right side
    82,058,037.60x = 5,903,480,818,900,970
  5. Step 5: Solve for x
    x = 5,903,480,818,900,970/82,058,037.60
  6. Step 6: Final answer
    x = 71,942,749.20

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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.