Home / 75,748,617.96-113,606,434.07-20,415,161.46

Finding the Fourth Proportional to 75,748,617.96, 113,606,434.07 and 20,415,161.46

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Solution

The fourth proportional to 75,748,617.96, 113,606,434.07 and 20,415,161.46 is: 30,618,297.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,748,617.96 : 113,606,434.07 = 20,415,161.46 : x
  2. Step 2: Convert to fraction form
    75,748,617.96/113,606,434.07 = 20,415,161.46/x
  3. Step 3: Cross multiply
    75,748,617.96x = 113,606,434.07 × 20,415,161.46
  4. Step 4: Simplify right side
    75,748,617.96x = 2,319,293,694,834,400
  5. Step 5: Solve for x
    x = 2,319,293,694,834,400/75,748,617.96
  6. Step 6: Final answer
    x = 30,618,297.17

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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.