Home / 286,295,436.78-395,092,926.46-159,148,054.50

Finding the Fourth Proportional to 286,295,436.78, 395,092,926.46 and 159,148,054.50

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Solution

The fourth proportional to 286,295,436.78, 395,092,926.46 and 159,148,054.50 is: 219,627,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,295,436.78 : 395,092,926.46 = 159,148,054.50 : x
  2. Step 2: Convert to fraction form
    286,295,436.78/395,092,926.46 = 159,148,054.50/x
  3. Step 3: Cross multiply
    286,295,436.78x = 395,092,926.46 × 159,148,054.50
  4. Step 4: Simplify right side
    286,295,436.78x = 62,878,270,592,820,568
  5. Step 5: Solve for x
    x = 62,878,270,592,820,568/286,295,436.78
  6. Step 6: Final answer
    x = 219,627,219.00

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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.