Home / 256,250,174.80-353,620,870.60-138,774,550.48

Finding the Fourth Proportional to 256,250,174.80, 353,620,870.60 and 138,774,550.48

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Solution

The fourth proportional to 256,250,174.80, 353,620,870.60 and 138,774,550.48 is: 191,506,512.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,250,174.80 : 353,620,870.60 = 138,774,550.48 : x
  2. Step 2: Convert to fraction form
    256,250,174.80/353,620,870.60 = 138,774,550.48/x
  3. Step 3: Cross multiply
    256,250,174.80x = 353,620,870.60 × 138,774,550.48
  4. Step 4: Simplify right side
    256,250,174.80x = 49,073,577,357,861,248
  5. Step 5: Solve for x
    x = 49,073,577,357,861,248/256,250,174.80
  6. Step 6: Final answer
    x = 191,506,512.71

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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.