Home / 286,894,646.70-430,192,463.49-102,591,074.22

Finding the Fourth Proportional to 286,894,646.70, 430,192,463.49 and 102,591,074.22

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Solution

The fourth proportional to 286,894,646.70, 430,192,463.49 and 102,591,074.22 is: 153,833,149.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,894,646.70 : 430,192,463.49 = 102,591,074.22 : x
  2. Step 2: Convert to fraction form
    286,894,646.70/430,192,463.49 = 102,591,074.22/x
  3. Step 3: Cross multiply
    286,894,646.70x = 430,192,463.49 × 102,591,074.22
  4. Step 4: Simplify right side
    286,894,646.70x = 44,133,906,950,787,232
  5. Step 5: Solve for x
    x = 44,133,906,950,787,232/286,894,646.70
  6. Step 6: Final answer
    x = 153,833,149.06

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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.