Home / 69,404,125.61-103,485,697.20-67,497,290.43

Finding the Fourth Proportional to 69,404,125.61, 103,485,697.20 and 67,497,290.43

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Solution

The fourth proportional to 69,404,125.61, 103,485,697.20 and 67,497,290.43 is: 100,642,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,404,125.61 : 103,485,697.20 = 67,497,290.43 : x
  2. Step 2: Convert to fraction form
    69,404,125.61/103,485,697.20 = 67,497,290.43/x
  3. Step 3: Cross multiply
    69,404,125.61x = 103,485,697.20 × 67,497,290.43
  4. Step 4: Simplify right side
    69,404,125.61x = 6,985,004,159,453,474
  5. Step 5: Solve for x
    x = 6,985,004,159,453,474/69,404,125.61
  6. Step 6: Final answer
    x = 100,642,492.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.