Home / 85,115,719.86-127,691,513.10-27,603,506.58

Finding the Fourth Proportional to 85,115,719.86, 127,691,513.10 and 27,603,506.58

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Solution

The fourth proportional to 85,115,719.86, 127,691,513.10 and 27,603,506.58 is: 41,411,075.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,115,719.86 : 127,691,513.10 = 27,603,506.58 : x
  2. Step 2: Convert to fraction form
    85,115,719.86/127,691,513.10 = 27,603,506.58/x
  3. Step 3: Cross multiply
    85,115,719.86x = 127,691,513.10 × 27,603,506.58
  4. Step 4: Simplify right side
    85,115,719.86x = 3,524,733,522,066,006
  5. Step 5: Solve for x
    x = 3,524,733,522,066,006/85,115,719.86
  6. Step 6: Final answer
    x = 41,411,075.74

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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.