Home / 126,159,314,104.51-189,239,456,377.05-30,545,173,645.68

Finding the Fourth Proportional to 126,159,314,104.51, 189,239,456,377.05 and 30,545,173,645.68

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Solution

The fourth proportional to 126,159,314,104.51, 189,239,456,377.05 and 30,545,173,645.68 is: 45,817,877,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,159,314,104.51 : 189,239,456,377.05 = 30,545,173,645.68 : x
  2. Step 2: Convert to fraction form
    126,159,314,104.51/189,239,456,377.05 = 30,545,173,645.68/x
  3. Step 3: Cross multiply
    126,159,314,104.51x = 189,239,456,377.05 × 30,545,173,645.68
  4. Step 4: Simplify right side
    126,159,314,104.51x = 5,780,352,055,650,508,865,536
  5. Step 5: Solve for x
    x = 5,780,352,055,650,508,865,536/126,159,314,104.51
  6. Step 6: Final answer
    x = 45,817,877,948.05

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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.