Home / 103,418,022.51-155,079,339.89-30,608,768.43

Finding the Fourth Proportional to 103,418,022.51, 155,079,339.89 and 30,608,768.43

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Solution

The fourth proportional to 103,418,022.51, 155,079,339.89 and 30,608,768.43 is: 45,899,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,418,022.51 : 155,079,339.89 = 30,608,768.43 : x
  2. Step 2: Convert to fraction form
    103,418,022.51/155,079,339.89 = 30,608,768.43/x
  3. Step 3: Cross multiply
    103,418,022.51x = 155,079,339.89 × 30,608,768.43
  4. Step 4: Simplify right side
    103,418,022.51x = 4,746,787,602,817,227
  5. Step 5: Solve for x
    x = 4,746,787,602,817,227/103,418,022.51
  6. Step 6: Final answer
    x = 45,899,036.62

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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.