Home / 42,984,107.20-64,476,160.80-28,635,200.20

Finding the Fourth Proportional to 42,984,107.20, 64,476,160.80 and 28,635,200.20

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Solution

The fourth proportional to 42,984,107.20, 64,476,160.80 and 28,635,200.20 is: 42,952,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,984,107.20 : 64,476,160.80 = 28,635,200.20 : x
  2. Step 2: Convert to fraction form
    42,984,107.20/64,476,160.80 = 28,635,200.20/x
  3. Step 3: Cross multiply
    42,984,107.20x = 64,476,160.80 × 28,635,200.20
  4. Step 4: Simplify right side
    42,984,107.20x = 1,846,287,772,635,392
  5. Step 5: Solve for x
    x = 1,846,287,772,635,392/42,984,107.20
  6. Step 6: Final answer
    x = 42,952,800.30

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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.