Home / 67,065,939.78-92,537,416.62-39,183,260.46

Finding the Fourth Proportional to 67,065,939.78, 92,537,416.62 and 39,183,260.46

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Solution

The fourth proportional to 67,065,939.78, 92,537,416.62 and 39,183,260.46 is: 54,064,965.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,065,939.78 : 92,537,416.62 = 39,183,260.46 : x
  2. Step 2: Convert to fraction form
    67,065,939.78/92,537,416.62 = 39,183,260.46/x
  3. Step 3: Cross multiply
    67,065,939.78x = 92,537,416.62 × 39,183,260.46
  4. Step 4: Simplify right side
    67,065,939.78x = 3,625,917,697,716,993
  5. Step 5: Solve for x
    x = 3,625,917,697,716,993/67,065,939.78
  6. Step 6: Final answer
    x = 54,064,965.16

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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.