Home / 126,159,608.62-189,238,150.14-39,898,030.06

Finding the Fourth Proportional to 126,159,608.62, 189,238,150.14 and 39,898,030.06

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Solution

The fourth proportional to 126,159,608.62, 189,238,150.14 and 39,898,030.06 is: 59,846,645.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,159,608.62 : 189,238,150.14 = 39,898,030.06 : x
  2. Step 2: Convert to fraction form
    126,159,608.62/189,238,150.14 = 39,898,030.06/x
  3. Step 3: Cross multiply
    126,159,608.62x = 189,238,150.14 × 39,898,030.06
  4. Step 4: Simplify right side
    126,159,608.62x = 7,550,229,402,784,513
  5. Step 5: Solve for x
    x = 7,550,229,402,784,513/126,159,608.62
  6. Step 6: Final answer
    x = 59,846,645.73

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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.