Home / 371,781,489.06-513,055,619.16-204,514,149.78

Finding the Fourth Proportional to 371,781,489.06, 513,055,619.16 and 204,514,149.78

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Solution

The fourth proportional to 371,781,489.06, 513,055,619.16 and 204,514,149.78 is: 282,227,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,781,489.06 : 513,055,619.16 = 204,514,149.78 : x
  2. Step 2: Convert to fraction form
    371,781,489.06/513,055,619.16 = 204,514,149.78/x
  3. Step 3: Cross multiply
    371,781,489.06x = 513,055,619.16 × 204,514,149.78
  4. Step 4: Simplify right side
    371,781,489.06x = 104,927,133,742,358,880
  5. Step 5: Solve for x
    x = 104,927,133,742,358,880/371,781,489.06
  6. Step 6: Final answer
    x = 282,227,966.78

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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.