Home / 168,256,165.80-252,384,248.70-66,023,538.60

Finding the Fourth Proportional to 168,256,165.80, 252,384,248.70 and 66,023,538.60

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Solution

The fourth proportional to 168,256,165.80, 252,384,248.70 and 66,023,538.60 is: 99,035,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,256,165.80 : 252,384,248.70 = 66,023,538.60 : x
  2. Step 2: Convert to fraction form
    168,256,165.80/252,384,248.70 = 66,023,538.60/x
  3. Step 3: Cross multiply
    168,256,165.80x = 252,384,248.70 × 66,023,538.60
  4. Step 4: Simplify right side
    168,256,165.80x = 16,663,301,186,076,450
  5. Step 5: Solve for x
    x = 16,663,301,186,076,450/168,256,165.80
  6. Step 6: Final answer
    x = 99,035,307.90

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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.