Home / 186,867,377.80-280,584,501.90-143,785,227.40

Finding the Fourth Proportional to 186,867,377.80, 280,584,501.90 and 143,785,227.40

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Solution

The fourth proportional to 186,867,377.80, 280,584,501.90 and 143,785,227.40 is: 215,895,930.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,867,377.80 : 280,584,501.90 = 143,785,227.40 : x
  2. Step 2: Convert to fraction form
    186,867,377.80/280,584,501.90 = 143,785,227.40/x
  3. Step 3: Cross multiply
    186,867,377.80x = 280,584,501.90 × 143,785,227.40
  4. Step 4: Simplify right side
    186,867,377.80x = 40,343,906,410,607,232
  5. Step 5: Solve for x
    x = 40,343,906,410,607,232/186,867,377.80
  6. Step 6: Final answer
    x = 215,895,930.50

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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.