Home / 142,266,063.27-196,326,396.23-79,542,148.89

Finding the Fourth Proportional to 142,266,063.27, 196,326,396.23 and 79,542,148.89

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Solution

The fourth proportional to 142,266,063.27, 196,326,396.23 and 79,542,148.89 is: 109,767,734.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,266,063.27 : 196,326,396.23 = 79,542,148.89 : x
  2. Step 2: Convert to fraction form
    142,266,063.27/196,326,396.23 = 79,542,148.89/x
  3. Step 3: Cross multiply
    142,266,063.27x = 196,326,396.23 × 79,542,148.89
  4. Step 4: Simplify right side
    142,266,063.27x = 15,616,223,439,566,084
  5. Step 5: Solve for x
    x = 15,616,223,439,566,084/142,266,063.27
  6. Step 6: Final answer
    x = 109,767,734.35

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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.