Home / 75,054,477.30-103,521,784.25-68,879,464.57

Finding the Fourth Proportional to 75,054,477.30, 103,521,784.25 and 68,879,464.57

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Solution

The fourth proportional to 75,054,477.30, 103,521,784.25 and 68,879,464.57 is: 95,004,659.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,054,477.30 : 103,521,784.25 = 68,879,464.57 : x
  2. Step 2: Convert to fraction form
    75,054,477.30/103,521,784.25 = 68,879,464.57/x
  3. Step 3: Cross multiply
    75,054,477.30x = 103,521,784.25 × 68,879,464.57
  4. Step 4: Simplify right side
    75,054,477.30x = 7,130,525,070,902,063
  5. Step 5: Solve for x
    x = 7,130,525,070,902,063/75,054,477.30
  6. Step 6: Final answer
    x = 95,004,659.65

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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.