Home / 53,142,453.60-79,713,680.40-40,293,391.20

Finding the Fourth Proportional to 53,142,453.60, 79,713,680.40 and 40,293,391.20

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Solution

The fourth proportional to 53,142,453.60, 79,713,680.40 and 40,293,391.20 is: 60,440,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,142,453.60 : 79,713,680.40 = 40,293,391.20 : x
  2. Step 2: Convert to fraction form
    53,142,453.60/79,713,680.40 = 40,293,391.20/x
  3. Step 3: Cross multiply
    53,142,453.60x = 79,713,680.40 × 40,293,391.20
  4. Step 4: Simplify right side
    53,142,453.60x = 3,211,934,508,348,973
  5. Step 5: Solve for x
    x = 3,211,934,508,348,973/53,142,453.60
  6. Step 6: Final answer
    x = 60,440,086.80

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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.