Home / 67,065,900.78-92,537,362.78-39,183,221.48

Finding the Fourth Proportional to 67,065,900.78, 92,537,362.78 and 39,183,221.48

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Solution

The fourth proportional to 67,065,900.78, 92,537,362.78 and 39,183,221.48 is: 54,064,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,065,900.78 : 92,537,362.78 = 39,183,221.48 : x
  2. Step 2: Convert to fraction form
    67,065,900.78/92,537,362.78 = 39,183,221.48/x
  3. Step 3: Cross multiply
    67,065,900.78x = 92,537,362.78 × 39,183,221.48
  4. Step 4: Simplify right side
    67,065,900.78x = 3,625,911,980,423,204
  5. Step 5: Solve for x
    x = 3,625,911,980,423,204/67,065,900.78
  6. Step 6: Final answer
    x = 54,064,911.35

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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.