Home / 142,095,713.56-196,284,012.13-107,078,214.62

Finding the Fourth Proportional to 142,095,713.56, 196,284,012.13 and 107,078,214.62

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Solution

The fourth proportional to 142,095,713.56, 196,284,012.13 and 107,078,214.62 is: 147,912,565.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,095,713.56 : 196,284,012.13 = 107,078,214.62 : x
  2. Step 2: Convert to fraction form
    142,095,713.56/196,284,012.13 = 107,078,214.62/x
  3. Step 3: Cross multiply
    142,095,713.56x = 196,284,012.13 × 107,078,214.62
  4. Step 4: Simplify right side
    142,095,713.56x = 21,017,741,577,553,840
  5. Step 5: Solve for x
    x = 21,017,741,577,553,840/142,095,713.56
  6. Step 6: Final answer
    x = 147,912,565.77

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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.