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Finding the Fourth Proportional to 66,657,168.87, 99,965,283.80 and 23,516,283.21

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Solution

The fourth proportional to 66,657,168.87, 99,965,283.80 and 23,516,283.21 is: 35,267,203.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,657,168.87 : 99,965,283.80 = 23,516,283.21 : x
  2. Step 2: Convert to fraction form
    66,657,168.87/99,965,283.80 = 23,516,283.21/x
  3. Step 3: Cross multiply
    66,657,168.87x = 99,965,283.80 × 23,516,283.21
  4. Step 4: Simplify right side
    66,657,168.87x = 2,350,811,924,891,243.50
  5. Step 5: Solve for x
    x = 2,350,811,924,891,243.50/66,657,168.87
  6. Step 6: Final answer
    x = 35,267,203.28

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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.