Home / 256,608,023.70-384,912,035.55-103,364,058.90

Finding the Fourth Proportional to 256,608,023.70, 384,912,035.55 and 103,364,058.90

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Solution

The fourth proportional to 256,608,023.70, 384,912,035.55 and 103,364,058.90 is: 155,046,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,608,023.70 : 384,912,035.55 = 103,364,058.90 : x
  2. Step 2: Convert to fraction form
    256,608,023.70/384,912,035.55 = 103,364,058.90/x
  3. Step 3: Cross multiply
    256,608,023.70x = 384,912,035.55 × 103,364,058.90
  4. Step 4: Simplify right side
    256,608,023.70x = 39,786,070,313,909,096
  5. Step 5: Solve for x
    x = 39,786,070,313,909,096/256,608,023.70
  6. Step 6: Final answer
    x = 155,046,088.35

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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.