Home / 66,483,503.89-99,645,915.12-30,943,076.16

Finding the Fourth Proportional to 66,483,503.89, 99,645,915.12 and 30,943,076.16

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Solution

The fourth proportional to 66,483,503.89, 99,645,915.12 and 30,943,076.16 is: 46,377,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,483,503.89 : 99,645,915.12 = 30,943,076.16 : x
  2. Step 2: Convert to fraction form
    66,483,503.89/99,645,915.12 = 30,943,076.16/x
  3. Step 3: Cross multiply
    66,483,503.89x = 99,645,915.12 × 30,943,076.16
  4. Step 4: Simplify right side
    66,483,503.89x = 3,083,351,140,848,691
  5. Step 5: Solve for x
    x = 3,083,351,140,848,691/66,483,503.89
  6. Step 6: Final answer
    x = 46,377,687.10

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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.