Home / 143,827,148.19-215,894,249.55-61,986,415.17

Finding the Fourth Proportional to 143,827,148.19, 215,894,249.55 and 61,986,415.17

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Solution

The fourth proportional to 143,827,148.19, 215,894,249.55 and 61,986,415.17 is: 93,045,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,827,148.19 : 215,894,249.55 = 61,986,415.17 : x
  2. Step 2: Convert to fraction form
    143,827,148.19/215,894,249.55 = 61,986,415.17/x
  3. Step 3: Cross multiply
    143,827,148.19x = 215,894,249.55 × 61,986,415.17
  4. Step 4: Simplify right side
    143,827,148.19x = 13,382,510,585,421,886
  5. Step 5: Solve for x
    x = 13,382,510,585,421,886/143,827,148.19
  6. Step 6: Final answer
    x = 93,045,789.71

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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.