Home / 67,682,257.50-93,401,631.99-38,708,881.50

Finding the Fourth Proportional to 67,682,257.50, 93,401,631.99 and 38,708,881.50

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Solution

The fourth proportional to 67,682,257.50, 93,401,631.99 and 38,708,881.50 is: 53,418,323.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,682,257.50 : 93,401,631.99 = 38,708,881.50 : x
  2. Step 2: Convert to fraction form
    67,682,257.50/93,401,631.99 = 38,708,881.50/x
  3. Step 3: Cross multiply
    67,682,257.50x = 93,401,631.99 × 38,708,881.50
  4. Step 4: Simplify right side
    67,682,257.50x = 3,615,472,704,607,519
  5. Step 5: Solve for x
    x = 3,615,472,704,607,519/67,682,257.50
  6. Step 6: Final answer
    x = 53,418,323.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.