Home / 144,184,841.88-198,926,136.07-81,451,774.77

Finding the Fourth Proportional to 144,184,841.88, 198,926,136.07 and 81,451,774.77

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Solution

The fourth proportional to 144,184,841.88, 198,926,136.07 and 81,451,774.77 is: 112,375,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,184,841.88 : 198,926,136.07 = 81,451,774.77 : x
  2. Step 2: Convert to fraction form
    144,184,841.88/198,926,136.07 = 81,451,774.77/x
  3. Step 3: Cross multiply
    144,184,841.88x = 198,926,136.07 × 81,451,774.77
  4. Step 4: Simplify right side
    144,184,841.88x = 16,202,886,830,548,984
  5. Step 5: Solve for x
    x = 16,202,886,830,548,984/144,184,841.88
  6. Step 6: Final answer
    x = 112,375,799.15

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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.