Home / 257,435,515.58-355,336,618.21-168,141,110.71

Finding the Fourth Proportional to 257,435,515.58, 355,336,618.21 and 168,141,110.71

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Solution

The fourth proportional to 257,435,515.58, 355,336,618.21 and 168,141,110.71 is: 232,084,114.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,435,515.58 : 355,336,618.21 = 168,141,110.71 : x
  2. Step 2: Convert to fraction form
    257,435,515.58/355,336,618.21 = 168,141,110.71/x
  3. Step 3: Cross multiply
    257,435,515.58x = 355,336,618.21 × 168,141,110.71
  4. Step 4: Simplify right side
    257,435,515.58x = 59,746,693,660,923,904
  5. Step 5: Solve for x
    x = 59,746,693,660,923,904/257,435,515.58
  6. Step 6: Final answer
    x = 232,084,114.45

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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.