Home / 218,078,886.80-326,840,467.80-115,891,878.80

Finding the Fourth Proportional to 218,078,886.80, 326,840,467.80 and 115,891,878.80

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Solution

The fourth proportional to 218,078,886.80, 326,840,467.80 and 115,891,878.80 is: 173,690,156.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,078,886.80 : 326,840,467.80 = 115,891,878.80 : x
  2. Step 2: Convert to fraction form
    218,078,886.80/326,840,467.80 = 115,891,878.80/x
  3. Step 3: Cross multiply
    218,078,886.80x = 326,840,467.80 × 115,891,878.80
  4. Step 4: Simplify right side
    218,078,886.80x = 37,878,155,881,212,904
  5. Step 5: Solve for x
    x = 37,878,155,881,212,904/218,078,886.80
  6. Step 6: Final answer
    x = 173,690,156.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.