Home / 49,711,685.45-68,610,473.91-28,816,788.51

Finding the Fourth Proportional to 49,711,685.45, 68,610,473.91 and 28,816,788.51

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Solution

The fourth proportional to 49,711,685.45, 68,610,473.91 and 28,816,788.51 is: 39,772,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,711,685.45 : 68,610,473.91 = 28,816,788.51 : x
  2. Step 2: Convert to fraction form
    49,711,685.45/68,610,473.91 = 28,816,788.51/x
  3. Step 3: Cross multiply
    49,711,685.45x = 68,610,473.91 × 28,816,788.51
  4. Step 4: Simplify right side
    49,711,685.45x = 1,977,133,516,235,342.75
  5. Step 5: Solve for x
    x = 1,977,133,516,235,342.75/49,711,685.45
  6. Step 6: Final answer
    x = 39,772,007.30

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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.