Home / 313,552,627.32-432,726,830.64-188,109,521.40

Finding the Fourth Proportional to 313,552,627.32, 432,726,830.64 and 188,109,521.40

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Solution

The fourth proportional to 313,552,627.32, 432,726,830.64 and 188,109,521.40 is: 259,605,660.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,552,627.32 : 432,726,830.64 = 188,109,521.40 : x
  2. Step 2: Convert to fraction form
    313,552,627.32/432,726,830.64 = 188,109,521.40/x
  3. Step 3: Cross multiply
    313,552,627.32x = 432,726,830.64 × 188,109,521.40
  4. Step 4: Simplify right side
    313,552,627.32x = 81,400,037,008,629,248
  5. Step 5: Solve for x
    x = 81,400,037,008,629,248/313,552,627.32
  6. Step 6: Final answer
    x = 259,605,660.79

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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.