Home / 115,247,161.52-159,042,316.56-63,035,080.73

Finding the Fourth Proportional to 115,247,161.52, 159,042,316.56 and 63,035,080.73

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Solution

The fourth proportional to 115,247,161.52, 159,042,316.56 and 63,035,080.73 is: 86,989,086.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,247,161.52 : 159,042,316.56 = 63,035,080.73 : x
  2. Step 2: Convert to fraction form
    115,247,161.52/159,042,316.56 = 63,035,080.73/x
  3. Step 3: Cross multiply
    115,247,161.52x = 159,042,316.56 × 63,035,080.73
  4. Step 4: Simplify right side
    115,247,161.52x = 10,025,245,263,845,816
  5. Step 5: Solve for x
    x = 10,025,245,263,845,816/115,247,161.52
  6. Step 6: Final answer
    x = 86,989,086.17

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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.