Home / 155,441,967.00-214,510,951.51-84,878,067.18

Finding the Fourth Proportional to 155,441,967.00, 214,510,951.51 and 84,878,067.18

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Solution

The fourth proportional to 155,441,967.00, 214,510,951.51 and 84,878,067.18 is: 117,132,298.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,441,967.00 : 214,510,951.51 = 84,878,067.18 : x
  2. Step 2: Convert to fraction form
    155,441,967.00/214,510,951.51 = 84,878,067.18/x
  3. Step 3: Cross multiply
    155,441,967.00x = 214,510,951.51 × 84,878,067.18
  4. Step 4: Simplify right side
    155,441,967.00x = 18,207,274,953,925,012
  5. Step 5: Solve for x
    x = 18,207,274,953,925,012/155,441,967.00
  6. Step 6: Final answer
    x = 117,132,298.98

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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.