Home / 99,999,960.61-149,701,086.19-60,488,641.21

Finding the Fourth Proportional to 99,999,960.61, 149,701,086.19 and 60,488,641.21

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Solution

The fourth proportional to 99,999,960.61, 149,701,086.19 and 60,488,641.21 is: 90,552,188.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,999,960.61 : 149,701,086.19 = 60,488,641.21 : x
  2. Step 2: Convert to fraction form
    99,999,960.61/149,701,086.19 = 60,488,641.21/x
  3. Step 3: Cross multiply
    99,999,960.61x = 149,701,086.19 × 60,488,641.21
  4. Step 4: Simplify right side
    99,999,960.61x = 9,055,215,291,294,196
  5. Step 5: Solve for x
    x = 9,055,215,291,294,196/99,999,960.61
  6. Step 6: Final answer
    x = 90,552,188.58

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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.