Home / 45,402,287.70-68,103,431.55-30,206,946.90

Finding the Fourth Proportional to 45,402,287.70, 68,103,431.55 and 30,206,946.90

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Solution

The fourth proportional to 45,402,287.70, 68,103,431.55 and 30,206,946.90 is: 45,310,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,402,287.70 : 68,103,431.55 = 30,206,946.90 : x
  2. Step 2: Convert to fraction form
    45,402,287.70/68,103,431.55 = 30,206,946.90/x
  3. Step 3: Cross multiply
    45,402,287.70x = 68,103,431.55 × 30,206,946.90
  4. Step 4: Simplify right side
    45,402,287.70x = 2,057,196,740,538,634.50
  5. Step 5: Solve for x
    x = 2,057,196,740,538,634.50/45,402,287.70
  6. Step 6: Final answer
    x = 45,310,420.35

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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.