Home / 126,692,167.10-189,968,973.05-100,598,619.84

Finding the Fourth Proportional to 126,692,167.10, 189,968,973.05 and 100,598,619.84

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Solution

The fourth proportional to 126,692,167.10, 189,968,973.05 and 100,598,619.84 is: 150,842,920.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,692,167.10 : 189,968,973.05 = 100,598,619.84 : x
  2. Step 2: Convert to fraction form
    126,692,167.10/189,968,973.05 = 100,598,619.84/x
  3. Step 3: Cross multiply
    126,692,167.10x = 189,968,973.05 × 100,598,619.84
  4. Step 4: Simplify right side
    126,692,167.10x = 19,110,616,500,749,160
  5. Step 5: Solve for x
    x = 19,110,616,500,749,160/126,692,167.10
  6. Step 6: Final answer
    x = 150,842,920.59

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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.