Home / 257,813,051.07-355,104,272.34-198,160,272.57

Finding the Fourth Proportional to 257,813,051.07, 355,104,272.34 and 198,160,272.57

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Solution

The fourth proportional to 257,813,051.07, 355,104,272.34 and 198,160,272.57 is: 272,940,253.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,813,051.07 : 355,104,272.34 = 198,160,272.57 : x
  2. Step 2: Convert to fraction form
    257,813,051.07/355,104,272.34 = 198,160,272.57/x
  3. Step 3: Cross multiply
    257,813,051.07x = 355,104,272.34 × 198,160,272.57
  4. Step 4: Simplify right side
    257,813,051.07x = 70,367,559,397,665,904
  5. Step 5: Solve for x
    x = 70,367,559,397,665,904/257,813,051.07
  6. Step 6: Final answer
    x = 272,940,253.05

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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.