Home / 146,618,099.76-202,333,448.76-81,428,001.84

Finding the Fourth Proportional to 146,618,099.76, 202,333,448.76 and 81,428,001.84

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Solution

The fourth proportional to 146,618,099.76, 202,333,448.76 and 81,428,001.84 is: 112,370,904.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,618,099.76 : 202,333,448.76 = 81,428,001.84 : x
  2. Step 2: Convert to fraction form
    146,618,099.76/202,333,448.76 = 81,428,001.84/x
  3. Step 3: Cross multiply
    146,618,099.76x = 202,333,448.76 × 81,428,001.84
  4. Step 4: Simplify right side
    146,618,099.76x = 16,475,608,437,922,826
  5. Step 5: Solve for x
    x = 16,475,608,437,922,826/146,618,099.76
  6. Step 6: Final answer
    x = 112,370,904.17

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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.