Home / 126,330,015.60-189,495,023.40-61,600,501.80

Finding the Fourth Proportional to 126,330,015.60, 189,495,023.40 and 61,600,501.80

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Solution

The fourth proportional to 126,330,015.60, 189,495,023.40 and 61,600,501.80 is: 92,400,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,330,015.60 : 189,495,023.40 = 61,600,501.80 : x
  2. Step 2: Convert to fraction form
    126,330,015.60/189,495,023.40 = 61,600,501.80/x
  3. Step 3: Cross multiply
    126,330,015.60x = 189,495,023.40 × 61,600,501.80
  4. Step 4: Simplify right side
    126,330,015.60x = 11,672,988,530,042,742
  5. Step 5: Solve for x
    x = 11,672,988,530,042,742/126,330,015.60
  6. Step 6: Final answer
    x = 92,400,752.70

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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.