Home / 126,159,366.75-189,271,012.67-38,725,316.53

Finding the Fourth Proportional to 126,159,366.75, 189,271,012.67 and 38,725,316.53

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Solution

The fourth proportional to 126,159,366.75, 189,271,012.67 and 38,725,316.53 is: 58,097,785.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,159,366.75 : 189,271,012.67 = 38,725,316.53 : x
  2. Step 2: Convert to fraction form
    126,159,366.75/189,271,012.67 = 38,725,316.53/x
  3. Step 3: Cross multiply
    126,159,366.75x = 189,271,012.67 × 38,725,316.53
  4. Step 4: Simplify right side
    126,159,366.75x = 7,329,579,875,077,806
  5. Step 5: Solve for x
    x = 7,329,579,875,077,806/126,159,366.75
  6. Step 6: Final answer
    x = 58,097,785.87

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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.