Home / 126,171,246.70-189,270,159.72-52,386,648.94

Finding the Fourth Proportional to 126,171,246.70, 189,270,159.72 and 52,386,648.94

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Solution

The fourth proportional to 126,171,246.70, 189,270,159.72 and 52,386,648.94 is: 78,585,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,171,246.70 : 189,270,159.72 = 52,386,648.94 : x
  2. Step 2: Convert to fraction form
    126,171,246.70/189,270,159.72 = 52,386,648.94/x
  3. Step 3: Cross multiply
    126,171,246.70x = 189,270,159.72 × 52,386,648.94
  4. Step 4: Simplify right side
    126,171,246.70x = 9,915,229,412,069,368
  5. Step 5: Solve for x
    x = 9,915,229,412,069,368/126,171,246.70
  6. Step 6: Final answer
    x = 78,585,491.32

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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.