Home / 71,645,000.08-98,869,002.96-40,283,076.64

Finding the Fourth Proportional to 71,645,000.08, 98,869,002.96 and 40,283,076.64

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Solution

The fourth proportional to 71,645,000.08, 98,869,002.96 and 40,283,076.64 is: 55,590,028.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,645,000.08 : 98,869,002.96 = 40,283,076.64 : x
  2. Step 2: Convert to fraction form
    71,645,000.08/98,869,002.96 = 40,283,076.64/x
  3. Step 3: Cross multiply
    71,645,000.08x = 98,869,002.96 × 40,283,076.64
  4. Step 4: Simplify right side
    71,645,000.08x = 3,982,747,623,558,066.50
  5. Step 5: Solve for x
    x = 3,982,747,623,558,066.50/71,645,000.08
  6. Step 6: Final answer
    x = 55,590,028.88

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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.