Home / 81,572,783.40-122,359,175.10-33,052,220.10

Finding the Fourth Proportional to 81,572,783.40, 122,359,175.10 and 33,052,220.10

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Solution

The fourth proportional to 81,572,783.40, 122,359,175.10 and 33,052,220.10 is: 49,578,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,572,783.40 : 122,359,175.10 = 33,052,220.10 : x
  2. Step 2: Convert to fraction form
    81,572,783.40/122,359,175.10 = 33,052,220.10/x
  3. Step 3: Cross multiply
    81,572,783.40x = 122,359,175.10 × 33,052,220.10
  4. Step 4: Simplify right side
    81,572,783.40x = 4,044,242,386,659,639.50
  5. Step 5: Solve for x
    x = 4,044,242,386,659,639.50/81,572,783.40
  6. Step 6: Final answer
    x = 49,578,330.15

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Double scale
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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.