Home / 261,311,452.16-391,703,687.04-164,336,460.80

Finding the Fourth Proportional to 261,311,452.16, 391,703,687.04 and 164,336,460.80

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Solution

The fourth proportional to 261,311,452.16, 391,703,687.04 and 164,336,460.80 is: 246,338,983.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,311,452.16 : 391,703,687.04 = 164,336,460.80 : x
  2. Step 2: Convert to fraction form
    261,311,452.16/391,703,687.04 = 164,336,460.80/x
  3. Step 3: Cross multiply
    261,311,452.16x = 391,703,687.04 × 164,336,460.80
  4. Step 4: Simplify right side
    261,311,452.16x = 64,371,197,610,464,440
  5. Step 5: Solve for x
    x = 64,371,197,610,464,440/261,311,452.16
  6. Step 6: Final answer
    x = 246,338,983.92

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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.