Home / 188,507,261.40-282,760,892.10-97,807,997.40

Finding the Fourth Proportional to 188,507,261.40, 282,760,892.10 and 97,807,997.40

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Solution

The fourth proportional to 188,507,261.40, 282,760,892.10 and 97,807,997.40 is: 146,711,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,507,261.40 : 282,760,892.10 = 97,807,997.40 : x
  2. Step 2: Convert to fraction form
    188,507,261.40/282,760,892.10 = 97,807,997.40/x
  3. Step 3: Cross multiply
    188,507,261.40x = 282,760,892.10 × 97,807,997.40
  4. Step 4: Simplify right side
    188,507,261.40x = 27,656,276,599,338,484
  5. Step 5: Solve for x
    x = 27,656,276,599,338,484/188,507,261.40
  6. Step 6: Final answer
    x = 146,711,996.10

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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.