Home / 68,097,692.40-102,146,538.60-42,567,529.20

Finding the Fourth Proportional to 68,097,692.40, 102,146,538.60 and 42,567,529.20

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Solution

The fourth proportional to 68,097,692.40, 102,146,538.60 and 42,567,529.20 is: 63,851,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,097,692.40 : 102,146,538.60 = 42,567,529.20 : x
  2. Step 2: Convert to fraction form
    68,097,692.40/102,146,538.60 = 42,567,529.20/x
  3. Step 3: Cross multiply
    68,097,692.40x = 102,146,538.60 × 42,567,529.20
  4. Step 4: Simplify right side
    68,097,692.40x = 4,348,125,764,534,427
  5. Step 5: Solve for x
    x = 4,348,125,764,534,427/68,097,692.40
  6. Step 6: Final answer
    x = 63,851,293.80

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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.