Home / 258,595,775.76-356,869,691.64-141,128,661.36

Finding the Fourth Proportional to 258,595,775.76, 356,869,691.64 and 141,128,661.36

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Solution

The fourth proportional to 258,595,775.76, 356,869,691.64 and 141,128,661.36 is: 194,761,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,595,775.76 : 356,869,691.64 = 141,128,661.36 : x
  2. Step 2: Convert to fraction form
    258,595,775.76/356,869,691.64 = 141,128,661.36/x
  3. Step 3: Cross multiply
    258,595,775.76x = 356,869,691.64 × 141,128,661.36
  4. Step 4: Simplify right side
    258,595,775.76x = 50,364,541,861,109,184
  5. Step 5: Solve for x
    x = 50,364,541,861,109,184/258,595,775.76
  6. Step 6: Final answer
    x = 194,761,657.31

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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.