Home / 258,112,305.34-356,195,032.46-140,637,635.66

Finding the Fourth Proportional to 258,112,305.34, 356,195,032.46 and 140,637,635.66

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Solution

The fourth proportional to 258,112,305.34, 356,195,032.46 and 140,637,635.66 is: 194,079,965.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,112,305.34 : 356,195,032.46 = 140,637,635.66 : x
  2. Step 2: Convert to fraction form
    258,112,305.34/356,195,032.46 = 140,637,635.66/x
  3. Step 3: Cross multiply
    258,112,305.34x = 356,195,032.46 × 140,637,635.66
  4. Step 4: Simplify right side
    258,112,305.34x = 50,094,427,199,011,352
  5. Step 5: Solve for x
    x = 50,094,427,199,011,352/258,112,305.34
  6. Step 6: Final answer
    x = 194,079,965.05

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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.