Home / 64,353,623.20-96,530,434.80-45,206,000.80

Finding the Fourth Proportional to 64,353,623.20, 96,530,434.80 and 45,206,000.80

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Solution

The fourth proportional to 64,353,623.20, 96,530,434.80 and 45,206,000.80 is: 67,809,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,353,623.20 : 96,530,434.80 = 45,206,000.80 : x
  2. Step 2: Convert to fraction form
    64,353,623.20/96,530,434.80 = 45,206,000.80/x
  3. Step 3: Cross multiply
    64,353,623.20x = 96,530,434.80 × 45,206,000.80
  4. Step 4: Simplify right side
    64,353,623.20x = 4,363,754,912,793,147.50
  5. Step 5: Solve for x
    x = 4,363,754,912,793,147.50/64,353,623.20
  6. Step 6: Final answer
    x = 67,809,001.20

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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.