Home / 72,806,635.15-100,472,994.34-41,866,807.16

Finding the Fourth Proportional to 72,806,635.15, 100,472,994.34 and 41,866,807.16

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Solution

The fourth proportional to 72,806,635.15, 100,472,994.34 and 41,866,807.16 is: 57,776,100.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,806,635.15 : 100,472,994.34 = 41,866,807.16 : x
  2. Step 2: Convert to fraction form
    72,806,635.15/100,472,994.34 = 41,866,807.16/x
  3. Step 3: Cross multiply
    72,806,635.15x = 100,472,994.34 × 41,866,807.16
  4. Step 4: Simplify right side
    72,806,635.15x = 4,206,483,478,967,067.50
  5. Step 5: Solve for x
    x = 4,206,483,478,967,067.50/72,806,635.15
  6. Step 6: Final answer
    x = 57,776,100.63

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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.