Home / 69,081,905.05-103,655,216.12-34,047,920.80

Finding the Fourth Proportional to 69,081,905.05, 103,655,216.12 and 34,047,920.80

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Solution

The fourth proportional to 69,081,905.05, 103,655,216.12 and 34,047,920.80 is: 51,087,829.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,081,905.05 : 103,655,216.12 = 34,047,920.80 : x
  2. Step 2: Convert to fraction form
    69,081,905.05/103,655,216.12 = 34,047,920.80/x
  3. Step 3: Cross multiply
    69,081,905.05x = 103,655,216.12 × 34,047,920.80
  4. Step 4: Simplify right side
    69,081,905.05x = 3,529,244,588,960,643
  5. Step 5: Solve for x
    x = 3,529,244,588,960,643/69,081,905.05
  6. Step 6: Final answer
    x = 51,087,829.53

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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.