Home / 131,143,346.84-196,701,540.12-43,695,419.19

Finding the Fourth Proportional to 131,143,346.84, 196,701,540.12 and 43,695,419.19

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Solution

The fourth proportional to 131,143,346.84, 196,701,540.12 and 43,695,419.19 is: 65,538,637.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,143,346.84 : 196,701,540.12 = 43,695,419.19 : x
  2. Step 2: Convert to fraction form
    131,143,346.84/196,701,540.12 = 43,695,419.19/x
  3. Step 3: Cross multiply
    131,143,346.84x = 196,701,540.12 × 43,695,419.19
  4. Step 4: Simplify right side
    131,143,346.84x = 8,594,956,250,862,003
  5. Step 5: Solve for x
    x = 8,594,956,250,862,003/131,143,346.84
  6. Step 6: Final answer
    x = 65,538,637.36

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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.