Home / 64,448,005.70-96,672,008.55-38,967,608.90

Finding the Fourth Proportional to 64,448,005.70, 96,672,008.55 and 38,967,608.90

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Solution

The fourth proportional to 64,448,005.70, 96,672,008.55 and 38,967,608.90 is: 58,451,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,448,005.70 : 96,672,008.55 = 38,967,608.90 : x
  2. Step 2: Convert to fraction form
    64,448,005.70/96,672,008.55 = 38,967,608.90/x
  3. Step 3: Cross multiply
    64,448,005.70x = 96,672,008.55 × 38,967,608.90
  4. Step 4: Simplify right side
    64,448,005.70x = 3,767,077,020,753,856
  5. Step 5: Solve for x
    x = 3,767,077,020,753,856/64,448,005.70
  6. Step 6: Final answer
    x = 58,451,413.35

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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.