Home / 123,549,026.91-170,502,212.84-74,647,007.07

Finding the Fourth Proportional to 123,549,026.91, 170,502,212.84 and 74,647,007.07

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Solution

The fourth proportional to 123,549,026.91, 170,502,212.84 and 74,647,007.07 is: 103,015,622.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,549,026.91 : 170,502,212.84 = 74,647,007.07 : x
  2. Step 2: Convert to fraction form
    123,549,026.91/170,502,212.84 = 74,647,007.07/x
  3. Step 3: Cross multiply
    123,549,026.91x = 170,502,212.84 × 74,647,007.07
  4. Step 4: Simplify right side
    123,549,026.91x = 12,727,479,886,944,890
  5. Step 5: Solve for x
    x = 12,727,479,886,944,890/123,549,026.91
  6. Step 6: Final answer
    x = 103,015,622.26

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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.