Home / 42,984,133.60-64,476,200.40-28,560,431.20

Finding the Fourth Proportional to 42,984,133.60, 64,476,200.40 and 28,560,431.20

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Solution

The fourth proportional to 42,984,133.60, 64,476,200.40 and 28,560,431.20 is: 42,840,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,984,133.60 : 64,476,200.40 = 28,560,431.20 : x
  2. Step 2: Convert to fraction form
    42,984,133.60/64,476,200.40 = 28,560,431.20/x
  3. Step 3: Cross multiply
    42,984,133.60x = 64,476,200.40 × 28,560,431.20
  4. Step 4: Simplify right side
    42,984,133.60x = 1,841,468,085,561,612.50
  5. Step 5: Solve for x
    x = 1,841,468,085,561,612.50/42,984,133.60
  6. Step 6: Final answer
    x = 42,840,646.80

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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.