Home / 65,123,313.89-97,664,231.21-21,393,921.87

Finding the Fourth Proportional to 65,123,313.89, 97,664,231.21 and 21,393,921.87

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Solution

The fourth proportional to 65,123,313.89, 97,664,231.21 and 21,393,921.87 is: 32,084,069.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,123,313.89 : 97,664,231.21 = 21,393,921.87 : x
  2. Step 2: Convert to fraction form
    65,123,313.89/97,664,231.21 = 21,393,921.87/x
  3. Step 3: Cross multiply
    65,123,313.89x = 97,664,231.21 × 21,393,921.87
  4. Step 4: Simplify right side
    65,123,313.89x = 2,089,420,931,893,386
  5. Step 5: Solve for x
    x = 2,089,420,931,893,386/65,123,313.89
  6. Step 6: Final answer
    x = 32,084,069.55

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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.