Home / 126,330,015.10-189,495,022.65-61,600,501.30

Finding the Fourth Proportional to 126,330,015.10, 189,495,022.65 and 61,600,501.30

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Solution

The fourth proportional to 126,330,015.10, 189,495,022.65 and 61,600,501.30 is: 92,400,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,330,015.10 : 189,495,022.65 = 61,600,501.30 : x
  2. Step 2: Convert to fraction form
    126,330,015.10/189,495,022.65 = 61,600,501.30/x
  3. Step 3: Cross multiply
    126,330,015.10x = 189,495,022.65 × 61,600,501.30
  4. Step 4: Simplify right side
    126,330,015.10x = 11,672,988,389,094,854
  5. Step 5: Solve for x
    x = 11,672,988,389,094,854/126,330,015.10
  6. Step 6: Final answer
    x = 92,400,751.95

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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.