Home / 143,827,145.19-215,894,245.05-61,986,412.17

Finding the Fourth Proportional to 143,827,145.19, 215,894,245.05 and 61,986,412.17

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Solution

The fourth proportional to 143,827,145.19, 215,894,245.05 and 61,986,412.17 is: 93,045,785.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,827,145.19 : 215,894,245.05 = 61,986,412.17 : x
  2. Step 2: Convert to fraction form
    143,827,145.19/215,894,245.05 = 61,986,412.17/x
  3. Step 3: Cross multiply
    143,827,145.19x = 215,894,245.05 × 61,986,412.17
  4. Step 4: Simplify right side
    143,827,145.19x = 13,382,509,658,800,284
  5. Step 5: Solve for x
    x = 13,382,509,658,800,284/143,827,145.19
  6. Step 6: Final answer
    x = 93,045,785.21

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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.