Home / 42,984,114.60-64,476,171.90-28,560,412.20

Finding the Fourth Proportional to 42,984,114.60, 64,476,171.90 and 28,560,412.20

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Solution

The fourth proportional to 42,984,114.60, 64,476,171.90 and 28,560,412.20 is: 42,840,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,984,114.60 : 64,476,171.90 = 28,560,412.20 : x
  2. Step 2: Convert to fraction form
    42,984,114.60/64,476,171.90 = 28,560,412.20/x
  3. Step 3: Cross multiply
    42,984,114.60x = 64,476,171.90 × 28,560,412.20
  4. Step 4: Simplify right side
    42,984,114.60x = 1,841,466,046,542,057
  5. Step 5: Solve for x
    x = 1,841,466,046,542,057/42,984,114.60
  6. Step 6: Final answer
    x = 42,840,618.30

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1.5x scale

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.