Home / 248,385,151.14-342,773,775.42-136,879,992.75

Finding the Fourth Proportional to 248,385,151.14, 342,773,775.42 and 136,879,992.75

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Solution

The fourth proportional to 248,385,151.14, 342,773,775.42 and 136,879,992.75 is: 188,895,639.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,385,151.14 : 342,773,775.42 = 136,879,992.75 : x
  2. Step 2: Convert to fraction form
    248,385,151.14/342,773,775.42 = 136,879,992.75/x
  3. Step 3: Cross multiply
    248,385,151.14x = 342,773,775.42 × 136,879,992.75
  4. Step 4: Simplify right side
    248,385,151.14x = 46,918,871,894,721,928
  5. Step 5: Solve for x
    x = 46,918,871,894,721,928/248,385,151.14
  6. Step 6: Final answer
    x = 188,895,639.21

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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.