Home / 269,223,820.57-371,528,873.10-145,464,497.69

Finding the Fourth Proportional to 269,223,820.57, 371,528,873.10 and 145,464,497.69

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Solution

The fourth proportional to 269,223,820.57, 371,528,873.10 and 145,464,497.69 is: 200,741,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,223,820.57 : 371,528,873.10 = 145,464,497.69 : x
  2. Step 2: Convert to fraction form
    269,223,820.57/371,528,873.10 = 145,464,497.69/x
  3. Step 3: Cross multiply
    269,223,820.57x = 371,528,873.10 × 145,464,497.69
  4. Step 4: Simplify right side
    269,223,820.57x = 54,044,260,902,095,936
  5. Step 5: Solve for x
    x = 54,044,260,902,095,936/269,223,820.57
  6. Step 6: Final answer
    x = 200,741,007.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.