Home / 126,536,700.70-189,805,051.05-35,660,289.70

Finding the Fourth Proportional to 126,536,700.70, 189,805,051.05 and 35,660,289.70

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Solution

The fourth proportional to 126,536,700.70, 189,805,051.05 and 35,660,289.70 is: 53,490,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,536,700.70 : 189,805,051.05 = 35,660,289.70 : x
  2. Step 2: Convert to fraction form
    126,536,700.70/189,805,051.05 = 35,660,289.70/x
  3. Step 3: Cross multiply
    126,536,700.70x = 189,805,051.05 × 35,660,289.70
  4. Step 4: Simplify right side
    126,536,700.70x = 6,768,503,106,966,290
  5. Step 5: Solve for x
    x = 6,768,503,106,966,290/126,536,700.70
  6. Step 6: Final answer
    x = 53,490,434.55

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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.