Home / 196,330,148.32-270,933,397.08-107,020,135.36

Finding the Fourth Proportional to 196,330,148.32, 270,933,397.08 and 107,020,135.36

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Solution

The fourth proportional to 196,330,148.32, 270,933,397.08 and 107,020,135.36 is: 147,686,583.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,330,148.32 : 270,933,397.08 = 107,020,135.36 : x
  2. Step 2: Convert to fraction form
    196,330,148.32/270,933,397.08 = 107,020,135.36/x
  3. Step 3: Cross multiply
    196,330,148.32x = 270,933,397.08 × 107,020,135.36
  4. Step 4: Simplify right side
    196,330,148.32x = 28,995,328,829,046,228
  5. Step 5: Solve for x
    x = 28,995,328,829,046,228/196,330,148.32
  6. Step 6: Final answer
    x = 147,686,583.43

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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.