Home / 90,664,879.96-136,037,385.78-47,523,768.04

Finding the Fourth Proportional to 90,664,879.96, 136,037,385.78 and 47,523,768.04

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Solution

The fourth proportional to 90,664,879.96, 136,037,385.78 and 47,523,768.04 is: 71,306,653.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,664,879.96 : 136,037,385.78 = 47,523,768.04 : x
  2. Step 2: Convert to fraction form
    90,664,879.96/136,037,385.78 = 47,523,768.04/x
  3. Step 3: Cross multiply
    90,664,879.96x = 136,037,385.78 × 47,523,768.04
  4. Step 4: Simplify right side
    90,664,879.96x = 6,465,009,166,576,714
  5. Step 5: Solve for x
    x = 6,465,009,166,576,714/90,664,879.96
  6. Step 6: Final answer
    x = 71,306,653.35

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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.