Home / 82,421,700.86-123,606,302.74-27,076,689.11

Finding the Fourth Proportional to 82,421,700.86, 123,606,302.74 and 27,076,689.11

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Solution

The fourth proportional to 82,421,700.86, 123,606,302.74 and 27,076,689.11 is: 40,606,410.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,421,700.86 : 123,606,302.74 = 27,076,689.11 : x
  2. Step 2: Convert to fraction form
    82,421,700.86/123,606,302.74 = 27,076,689.11/x
  3. Step 3: Cross multiply
    82,421,700.86x = 123,606,302.74 × 27,076,689.11
  4. Step 4: Simplify right side
    82,421,700.86x = 3,346,849,431,568,845
  5. Step 5: Solve for x
    x = 3,346,849,431,568,845/82,421,700.86
  6. Step 6: Final answer
    x = 40,606,410.65

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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.