Home / 69,404,261.76-103,485,899.34-67,497,426.36

Finding the Fourth Proportional to 69,404,261.76, 103,485,899.34 and 67,497,426.36

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Solution

The fourth proportional to 69,404,261.76, 103,485,899.34 and 67,497,426.36 is: 100,642,693.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,404,261.76 : 103,485,899.34 = 67,497,426.36 : x
  2. Step 2: Convert to fraction form
    69,404,261.76/103,485,899.34 = 67,497,426.36/x
  3. Step 3: Cross multiply
    69,404,261.76x = 103,485,899.34 × 67,497,426.36
  4. Step 4: Simplify right side
    69,404,261.76x = 6,985,031,870,000,023
  5. Step 5: Solve for x
    x = 6,985,031,870,000,023/69,404,261.76
  6. Step 6: Final answer
    x = 100,642,693.88

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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.