Home / 57,096,015.34-78,792,580.11-30,990,538.30

Finding the Fourth Proportional to 57,096,015.34, 78,792,580.11 and 30,990,538.30

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Solution

The fourth proportional to 57,096,015.34, 78,792,580.11 and 30,990,538.30 is: 42,766,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,096,015.34 : 78,792,580.11 = 30,990,538.30 : x
  2. Step 2: Convert to fraction form
    57,096,015.34/78,792,580.11 = 30,990,538.30/x
  3. Step 3: Cross multiply
    57,096,015.34x = 78,792,580.11 × 30,990,538.30
  4. Step 4: Simplify right side
    57,096,015.34x = 2,441,824,471,654,773.50
  5. Step 5: Solve for x
    x = 2,441,824,471,654,773.50/57,096,015.34
  6. Step 6: Final answer
    x = 42,766,985.70

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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.