Home / 69,838,416.45-96,377,041.26-40,486,763.97

Finding the Fourth Proportional to 69,838,416.45, 96,377,041.26 and 40,486,763.97

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Solution

The fourth proportional to 69,838,416.45, 96,377,041.26 and 40,486,763.97 is: 55,871,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,838,416.45 : 96,377,041.26 = 40,486,763.97 : x
  2. Step 2: Convert to fraction form
    69,838,416.45/96,377,041.26 = 40,486,763.97/x
  3. Step 3: Cross multiply
    69,838,416.45x = 96,377,041.26 × 40,486,763.97
  4. Step 4: Simplify right side
    69,838,416.45x = 3,901,994,521,620,571.50
  5. Step 5: Solve for x
    x = 3,901,994,521,620,571.50/69,838,416.45
  6. Step 6: Final answer
    x = 55,871,749.68

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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.