Home / 85,208,544.30-127,812,816.45-57,998,765.10

Finding the Fourth Proportional to 85,208,544.30, 127,812,816.45 and 57,998,765.10

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Solution

The fourth proportional to 85,208,544.30, 127,812,816.45 and 57,998,765.10 is: 86,998,147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,208,544.30 : 127,812,816.45 = 57,998,765.10 : x
  2. Step 2: Convert to fraction form
    85,208,544.30/127,812,816.45 = 57,998,765.10/x
  3. Step 3: Cross multiply
    85,208,544.30x = 127,812,816.45 × 57,998,765.10
  4. Step 4: Simplify right side
    85,208,544.30x = 7,412,985,518,052,966
  5. Step 5: Solve for x
    x = 7,412,985,518,052,966/85,208,544.30
  6. Step 6: Final answer
    x = 86,998,147.65

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Double scale
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Similar ratio
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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.