Home / 126,166,828.80-189,236,246.40-35,299,603.20

Finding the Fourth Proportional to 126,166,828.80, 189,236,246.40 and 35,299,603.20

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Solution

The fourth proportional to 126,166,828.80, 189,236,246.40 and 35,299,603.20 is: 52,945,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,166,828.80 : 189,236,246.40 = 35,299,603.20 : x
  2. Step 2: Convert to fraction form
    126,166,828.80/189,236,246.40 = 35,299,603.20/x
  3. Step 3: Cross multiply
    126,166,828.80x = 189,236,246.40 × 35,299,603.20
  4. Step 4: Simplify right side
    126,166,828.80x = 6,679,964,408,977,429
  5. Step 5: Solve for x
    x = 6,679,964,408,977,429/126,166,828.80
  6. Step 6: Final answer
    x = 52,945,488.70

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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.