Home / 151,351,188.82-208,864,632.58-81,736,563

Finding the Fourth Proportional to 151,351,188.82, 208,864,632.58 and 81,736,563

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Solution

The fourth proportional to 151,351,188.82, 208,864,632.58 and 81,736,563 is: 112,796,452.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,351,188.82 : 208,864,632.58 = 81,736,563 : x
  2. Step 2: Convert to fraction form
    151,351,188.82/208,864,632.58 = 81,736,563/x
  3. Step 3: Cross multiply
    151,351,188.82x = 208,864,632.58 × 81,736,563
  4. Step 4: Simplify right side
    151,351,188.82x = 17,071,877,199,347,024
  5. Step 5: Solve for x
    x = 17,071,877,199,347,024/151,351,188.82
  6. Step 6: Final answer
    x = 112,796,452.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.