Home / 99,999,961.61-149,701,087.69-60,488,642.21

Finding the Fourth Proportional to 99,999,961.61, 149,701,087.69 and 60,488,642.21

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Solution

The fourth proportional to 99,999,961.61, 149,701,087.69 and 60,488,642.21 is: 90,552,190.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,999,961.61 : 149,701,087.69 = 60,488,642.21 : x
  2. Step 2: Convert to fraction form
    99,999,961.61/149,701,087.69 = 60,488,642.21/x
  3. Step 3: Cross multiply
    99,999,961.61x = 149,701,087.69 × 60,488,642.21
  4. Step 4: Simplify right side
    99,999,961.61x = 9,055,215,531,728,246
  5. Step 5: Solve for x
    x = 9,055,215,531,728,246/99,999,961.61
  6. Step 6: Final answer
    x = 90,552,190.08

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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.