Home / 126,327,200.40-189,490,800.60-107,833,053.60

Finding the Fourth Proportional to 126,327,200.40, 189,490,800.60 and 107,833,053.60

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Solution

The fourth proportional to 126,327,200.40, 189,490,800.60 and 107,833,053.60 is: 161,749,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,327,200.40 : 189,490,800.60 = 107,833,053.60 : x
  2. Step 2: Convert to fraction form
    126,327,200.40/189,490,800.60 = 107,833,053.60/x
  3. Step 3: Cross multiply
    126,327,200.40x = 189,490,800.60 × 107,833,053.60
  4. Step 4: Simplify right side
    126,327,200.40x = 20,433,371,657,806,712
  5. Step 5: Solve for x
    x = 20,433,371,657,806,712/126,327,200.40
  6. Step 6: Final answer
    x = 161,749,580.40

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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.