Home / 258,112,156.92-356,194,827.80-140,637,487.15

Finding the Fourth Proportional to 258,112,156.92, 356,194,827.80 and 140,637,487.15

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Solution

The fourth proportional to 258,112,156.92, 356,194,827.80 and 140,637,487.15 is: 194,079,760.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,112,156.92 : 356,194,827.80 = 140,637,487.15 : x
  2. Step 2: Convert to fraction form
    258,112,156.92/356,194,827.80 = 140,637,487.15/x
  3. Step 3: Cross multiply
    258,112,156.92x = 356,194,827.80 × 140,637,487.15
  4. Step 4: Simplify right side
    258,112,156.92x = 50,094,345,519,833,408
  5. Step 5: Solve for x
    x = 50,094,345,519,833,408/258,112,156.92
  6. Step 6: Final answer
    x = 194,079,760.20

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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.