Home / 276,905,714.49-382,247,547.03-172,535,352.21

Finding the Fourth Proportional to 276,905,714.49, 382,247,547.03 and 172,535,352.21

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Solution

The fourth proportional to 276,905,714.49, 382,247,547.03 and 172,535,352.21 is: 238,172,098.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,905,714.49 : 382,247,547.03 = 172,535,352.21 : x
  2. Step 2: Convert to fraction form
    276,905,714.49/382,247,547.03 = 172,535,352.21/x
  3. Step 3: Cross multiply
    276,905,714.49x = 382,247,547.03 × 172,535,352.21
  4. Step 4: Simplify right side
    276,905,714.49x = 65,951,215,158,229,584
  5. Step 5: Solve for x
    x = 65,951,215,158,229,584/276,905,714.49
  6. Step 6: Final answer
    x = 238,172,098.69

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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.