Home / 276,905,710.49-382,247,541.51-172,535,348.20

Finding the Fourth Proportional to 276,905,710.49, 382,247,541.51 and 172,535,348.20

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Solution

The fourth proportional to 276,905,710.49, 382,247,541.51 and 172,535,348.20 is: 238,172,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,905,710.49 : 382,247,541.51 = 172,535,348.20 : x
  2. Step 2: Convert to fraction form
    276,905,710.49/382,247,541.51 = 172,535,348.20/x
  3. Step 3: Cross multiply
    276,905,710.49x = 382,247,541.51 × 172,535,348.20
  4. Step 4: Simplify right side
    276,905,710.49x = 65,951,212,672,714,912
  5. Step 5: Solve for x
    x = 65,951,212,672,714,912/276,905,710.49
  6. Step 6: Final answer
    x = 238,172,093.15

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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.