Home / 82,943,998.40-124,415,997.60-73,202,225.60

Finding the Fourth Proportional to 82,943,998.40, 124,415,997.60 and 73,202,225.60

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Solution

The fourth proportional to 82,943,998.40, 124,415,997.60 and 73,202,225.60 is: 109,803,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,943,998.40 : 124,415,997.60 = 73,202,225.60 : x
  2. Step 2: Convert to fraction form
    82,943,998.40/124,415,997.60 = 73,202,225.60/x
  3. Step 3: Cross multiply
    82,943,998.40x = 124,415,997.60 × 73,202,225.60
  4. Step 4: Simplify right side
    82,943,998.40x = 9,107,527,924,564,258
  5. Step 5: Solve for x
    x = 9,107,527,924,564,258/82,943,998.40
  6. Step 6: Final answer
    x = 109,803,338.40

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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.