Home / 64,289,778.80-88,720,701.54-34,921,601.72

Finding the Fourth Proportional to 64,289,778.80, 88,720,701.54 and 34,921,601.72

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Solution

The fourth proportional to 64,289,778.80, 88,720,701.54 and 34,921,601.72 is: 48,192,248.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,289,778.80 : 88,720,701.54 = 34,921,601.72 : x
  2. Step 2: Convert to fraction form
    64,289,778.80/88,720,701.54 = 34,921,601.72/x
  3. Step 3: Cross multiply
    64,289,778.80x = 88,720,701.54 × 34,921,601.72
  4. Step 4: Simplify right side
    64,289,778.80x = 3,098,269,003,498,871
  5. Step 5: Solve for x
    x = 3,098,269,003,498,871/64,289,778.80
  6. Step 6: Final answer
    x = 48,192,248.62

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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.