Home / 292,667,828.28-403,889,018.40-160,514,086.20

Finding the Fourth Proportional to 292,667,828.28, 403,889,018.40 and 160,514,086.20

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Solution

The fourth proportional to 292,667,828.28, 403,889,018.40 and 160,514,086.20 is: 221,513,505.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,667,828.28 : 403,889,018.40 = 160,514,086.20 : x
  2. Step 2: Convert to fraction form
    292,667,828.28/403,889,018.40 = 160,514,086.20/x
  3. Step 3: Cross multiply
    292,667,828.28x = 403,889,018.40 × 160,514,086.20
  4. Step 4: Simplify right side
    292,667,828.28x = 64,829,876,714,690,976
  5. Step 5: Solve for x
    x = 64,829,876,714,690,976/292,667,828.28
  6. Step 6: Final answer
    x = 221,513,505.93

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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.