Home / 252,058,049.80-378,370,509.90-194,804,139.40

Finding the Fourth Proportional to 252,058,049.80, 378,370,509.90 and 194,804,139.40

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Solution

The fourth proportional to 252,058,049.80, 378,370,509.90 and 194,804,139.40 is: 292,425,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,058,049.80 : 378,370,509.90 = 194,804,139.40 : x
  2. Step 2: Convert to fraction form
    252,058,049.80/378,370,509.90 = 194,804,139.40/x
  3. Step 3: Cross multiply
    252,058,049.80x = 378,370,509.90 × 194,804,139.40
  4. Step 4: Simplify right side
    252,058,049.80x = 73,708,141,555,408,672
  5. Step 5: Solve for x
    x = 73,708,141,555,408,672/252,058,049.80
  6. Step 6: Final answer
    x = 292,425,263.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.