Home / 126,375,574.80-189,584,357.40-49,701,104.40

Finding the Fourth Proportional to 126,375,574.80, 189,584,357.40 and 49,701,104.40

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Solution

The fourth proportional to 126,375,574.80, 189,584,357.40 and 49,701,104.40 is: 74,559,913.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,375,574.80 : 189,584,357.40 = 49,701,104.40 : x
  2. Step 2: Convert to fraction form
    126,375,574.80/189,584,357.40 = 49,701,104.40/x
  3. Step 3: Cross multiply
    126,375,574.80x = 189,584,357.40 × 49,701,104.40
  4. Step 4: Simplify right side
    126,375,574.80x = 9,422,551,939,744,312
  5. Step 5: Solve for x
    x = 9,422,551,939,744,312/126,375,574.80
  6. Step 6: Final answer
    x = 74,559,913.61

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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.