Home / 64,152,040.70-96,228,061.05-39,493,178.30

Finding the Fourth Proportional to 64,152,040.70, 96,228,061.05 and 39,493,178.30

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Solution

The fourth proportional to 64,152,040.70, 96,228,061.05 and 39,493,178.30 is: 59,239,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152,040.70 : 96,228,061.05 = 39,493,178.30 : x
  2. Step 2: Convert to fraction form
    64,152,040.70/96,228,061.05 = 39,493,178.30/x
  3. Step 3: Cross multiply
    64,152,040.70x = 96,228,061.05 × 39,493,178.30
  4. Step 4: Simplify right side
    64,152,040.70x = 3,800,351,972,510,935
  5. Step 5: Solve for x
    x = 3,800,351,972,510,935/64,152,040.70
  6. Step 6: Final answer
    x = 59,239,767.45

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Double scale
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Similar ratio
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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.