Home / 70,645,605.10-105,973,452.19-18,829,936.34

Finding the Fourth Proportional to 70,645,605.10, 105,973,452.19 and 18,829,936.34

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Solution

The fourth proportional to 70,645,605.10, 105,973,452.19 and 18,829,936.34 is: 28,246,249.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,645,605.10 : 105,973,452.19 = 18,829,936.34 : x
  2. Step 2: Convert to fraction form
    70,645,605.10/105,973,452.19 = 18,829,936.34/x
  3. Step 3: Cross multiply
    70,645,605.10x = 105,973,452.19 × 18,829,936.34
  4. Step 4: Simplify right side
    70,645,605.10x = 1,995,473,358,467,733.50
  5. Step 5: Solve for x
    x = 1,995,473,358,467,733.50/70,645,605.10
  6. Step 6: Final answer
    x = 28,246,249.09

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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.