Home / 56,833,356.38-78,429,965.04-30,727,812.24

Finding the Fourth Proportional to 56,833,356.38, 78,429,965.04 and 30,727,812.24

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Solution

The fourth proportional to 56,833,356.38, 78,429,965.04 and 30,727,812.24 is: 42,404,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,833,356.38 : 78,429,965.04 = 30,727,812.24 : x
  2. Step 2: Convert to fraction form
    56,833,356.38/78,429,965.04 = 30,727,812.24/x
  3. Step 3: Cross multiply
    56,833,356.38x = 78,429,965.04 × 30,727,812.24
  4. Step 4: Simplify right side
    56,833,356.38x = 2,409,981,239,738,884
  5. Step 5: Solve for x
    x = 2,409,981,239,738,884/56,833,356.38
  6. Step 6: Final answer
    x = 42,404,344.80

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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.