Home / 68,588,722.08-94,609,382.40-40,691,681.64

Finding the Fourth Proportional to 68,588,722.08, 94,609,382.40 and 40,691,681.64

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Solution

The fourth proportional to 68,588,722.08, 94,609,382.40 and 40,691,681.64 is: 56,128,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,588,722.08 : 94,609,382.40 = 40,691,681.64 : x
  2. Step 2: Convert to fraction form
    68,588,722.08/94,609,382.40 = 40,691,681.64/x
  3. Step 3: Cross multiply
    68,588,722.08x = 94,609,382.40 × 40,691,681.64
  4. Step 4: Simplify right side
    68,588,722.08x = 3,849,814,868,777,819.50
  5. Step 5: Solve for x
    x = 3,849,814,868,777,819.50/68,588,722.08
  6. Step 6: Final answer
    x = 56,128,977.94

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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.