Home / 57,090,006.08-78,784,775.52-30,984,755.84

Finding the Fourth Proportional to 57,090,006.08, 78,784,775.52 and 30,984,755.84

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Solution

The fourth proportional to 57,090,006.08, 78,784,775.52 and 30,984,755.84 is: 42,759,270.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,090,006.08 : 78,784,775.52 = 30,984,755.84 : x
  2. Step 2: Convert to fraction form
    57,090,006.08/78,784,775.52 = 30,984,755.84/x
  3. Step 3: Cross multiply
    57,090,006.08x = 78,784,775.52 × 30,984,755.84
  4. Step 4: Simplify right side
    57,090,006.08x = 2,441,127,033,396,409
  5. Step 5: Solve for x
    x = 2,441,127,033,396,409/57,090,006.08
  6. Step 6: Final answer
    x = 42,759,270.86

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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.