Home / 75,081,952-103,613,093.78-40,743,136

Finding the Fourth Proportional to 75,081,952, 103,613,093.78 and 40,743,136

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Solution

The fourth proportional to 75,081,952, 103,613,093.78 and 40,743,136 is: 56,225,527.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,081,952 : 103,613,093.78 = 40,743,136 : x
  2. Step 2: Convert to fraction form
    75,081,952/103,613,093.78 = 40,743,136/x
  3. Step 3: Cross multiply
    75,081,952x = 103,613,093.78 × 40,743,136
  4. Step 4: Simplify right side
    75,081,952x = 4,221,522,371,259,294
  5. Step 5: Solve for x
    x = 4,221,522,371,259,294/75,081,952
  6. Step 6: Final answer
    x = 56,225,527.69

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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.