Home / 185,988,360.57-256,699,471.46-123,153,630.63

Finding the Fourth Proportional to 185,988,360.57, 256,699,471.46 and 123,153,630.63

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Solution

The fourth proportional to 185,988,360.57, 256,699,471.46 and 123,153,630.63 is: 169,975,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,988,360.57 : 256,699,471.46 = 123,153,630.63 : x
  2. Step 2: Convert to fraction form
    185,988,360.57/256,699,471.46 = 123,153,630.63/x
  3. Step 3: Cross multiply
    185,988,360.57x = 256,699,471.46 × 123,153,630.63
  4. Step 4: Simplify right side
    185,988,360.57x = 31,613,471,890,485,300
  5. Step 5: Solve for x
    x = 31,613,471,890,485,300/185,988,360.57
  6. Step 6: Final answer
    x = 169,975,539.30

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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.