Home / 126,159,609.62-189,238,151.64-39,898,031.06

Finding the Fourth Proportional to 126,159,609.62, 189,238,151.64 and 39,898,031.06

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Solution

The fourth proportional to 126,159,609.62, 189,238,151.64 and 39,898,031.06 is: 59,846,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,159,609.62 : 189,238,151.64 = 39,898,031.06 : x
  2. Step 2: Convert to fraction form
    126,159,609.62/189,238,151.64 = 39,898,031.06/x
  3. Step 3: Cross multiply
    126,159,609.62x = 189,238,151.64 × 39,898,031.06
  4. Step 4: Simplify right side
    126,159,609.62x = 7,550,229,651,869,710
  5. Step 5: Solve for x
    x = 7,550,229,651,869,710/126,159,609.62
  6. Step 6: Final answer
    x = 59,846,647.23

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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.