Home / 204,731,981.92-307,097,973.76-68,417,365.44

Finding the Fourth Proportional to 204,731,981.92, 307,097,973.76 and 68,417,365.44

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Solution

The fourth proportional to 204,731,981.92, 307,097,973.76 and 68,417,365.44 is: 102,626,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,731,981.92 : 307,097,973.76 = 68,417,365.44 : x
  2. Step 2: Convert to fraction form
    204,731,981.92/307,097,973.76 = 68,417,365.44/x
  3. Step 3: Cross multiply
    204,731,981.92x = 307,097,973.76 × 68,417,365.44
  4. Step 4: Simplify right side
    204,731,981.92x = 21,010,834,296,621,448
  5. Step 5: Solve for x
    x = 21,010,834,296,621,448/204,731,981.92
  6. Step 6: Final answer
    x = 102,626,048.45

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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.