Home / 196,145,968.16-270,681,435-113,687,582.48

Finding the Fourth Proportional to 196,145,968.16, 270,681,435 and 113,687,582.48

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Solution

The fourth proportional to 196,145,968.16, 270,681,435 and 113,687,582.48 is: 156,888,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,145,968.16 : 270,681,435 = 113,687,582.48 : x
  2. Step 2: Convert to fraction form
    196,145,968.16/270,681,435 = 113,687,582.48/x
  3. Step 3: Cross multiply
    196,145,968.16x = 270,681,435 × 113,687,582.48
  4. Step 4: Simplify right side
    196,145,968.16x = 30,773,117,967,367,260
  5. Step 5: Solve for x
    x = 30,773,117,967,367,260/196,145,968.16
  6. Step 6: Final answer
    x = 156,888,863.21

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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.