Home / 186,867,376.80-280,584,500.40-143,785,226.40

Finding the Fourth Proportional to 186,867,376.80, 280,584,500.40 and 143,785,226.40

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Solution

The fourth proportional to 186,867,376.80, 280,584,500.40 and 143,785,226.40 is: 215,895,929.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,867,376.80 : 280,584,500.40 = 143,785,226.40 : x
  2. Step 2: Convert to fraction form
    186,867,376.80/280,584,500.40 = 143,785,226.40/x
  3. Step 3: Cross multiply
    186,867,376.80x = 280,584,500.40 × 143,785,226.40
  4. Step 4: Simplify right side
    186,867,376.80x = 40,343,905,914,344,888
  5. Step 5: Solve for x
    x = 40,343,905,914,344,888/186,867,376.80
  6. Step 6: Final answer
    x = 215,895,929.00

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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.