Home / 65,195,019.20-89,968,600.32-35,425,406.72

Finding the Fourth Proportional to 65,195,019.20, 89,968,600.32 and 35,425,406.72

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Solution

The fourth proportional to 65,195,019.20, 89,968,600.32 and 35,425,406.72 is: 48,886,775.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,195,019.20 : 89,968,600.32 = 35,425,406.72 : x
  2. Step 2: Convert to fraction form
    65,195,019.20/89,968,600.32 = 35,425,406.72/x
  3. Step 3: Cross multiply
    65,195,019.20x = 89,968,600.32 × 35,425,406.72
  4. Step 4: Simplify right side
    65,195,019.20x = 3,187,174,258,365,122
  5. Step 5: Solve for x
    x = 3,187,174,258,365,122/65,195,019.20
  6. Step 6: Final answer
    x = 48,886,775.36

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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.