Home / 202,371,966.93-279,274,205.64-109,552,474.78

Finding the Fourth Proportional to 202,371,966.93, 279,274,205.64 and 109,552,474.78

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Solution

The fourth proportional to 202,371,966.93, 279,274,205.64 and 109,552,474.78 is: 151,182,897.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,371,966.93 : 279,274,205.64 = 109,552,474.78 : x
  2. Step 2: Convert to fraction form
    202,371,966.93/279,274,205.64 = 109,552,474.78/x
  3. Step 3: Cross multiply
    202,371,966.93x = 279,274,205.64 × 109,552,474.78
  4. Step 4: Simplify right side
    202,371,966.93x = 30,595,180,370,080,632
  5. Step 5: Solve for x
    x = 30,595,180,370,080,632/202,371,966.93
  6. Step 6: Final answer
    x = 151,182,897.68

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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.