Home / 84,199,600.20-126,299,400.30-38,849,968.20

Finding the Fourth Proportional to 84,199,600.20, 126,299,400.30 and 38,849,968.20

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Solution

The fourth proportional to 84,199,600.20, 126,299,400.30 and 38,849,968.20 is: 58,274,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,199,600.20 : 126,299,400.30 = 38,849,968.20 : x
  2. Step 2: Convert to fraction form
    84,199,600.20/126,299,400.30 = 38,849,968.20/x
  3. Step 3: Cross multiply
    84,199,600.20x = 126,299,400.30 × 38,849,968.20
  4. Step 4: Simplify right side
    84,199,600.20x = 4,906,727,685,334,071
  5. Step 5: Solve for x
    x = 4,906,727,685,334,071/84,199,600.20
  6. Step 6: Final answer
    x = 58,274,952.30

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1.5x scale

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.