Home / 60,285,636.80-90,428,455.20-57,514,270.40

Finding the Fourth Proportional to 60,285,636.80, 90,428,455.20 and 57,514,270.40

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Solution

The fourth proportional to 60,285,636.80, 90,428,455.20 and 57,514,270.40 is: 86,271,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,285,636.80 : 90,428,455.20 = 57,514,270.40 : x
  2. Step 2: Convert to fraction form
    60,285,636.80/90,428,455.20 = 57,514,270.40/x
  3. Step 3: Cross multiply
    60,285,636.80x = 90,428,455.20 × 57,514,270.40
  4. Step 4: Simplify right side
    60,285,636.80x = 5,200,926,624,227,086
  5. Step 5: Solve for x
    x = 5,200,926,624,227,086/60,285,636.80
  6. Step 6: Final answer
    x = 86,271,405.60

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Similar ratio
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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.