Home / 118,558,799.54-163,628,264.90-68,313,399.06

Finding the Fourth Proportional to 118,558,799.54, 163,628,264.90 and 68,313,399.06

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Solution

The fourth proportional to 118,558,799.54, 163,628,264.90 and 68,313,399.06 is: 94,282,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,558,799.54 : 163,628,264.90 = 68,313,399.06 : x
  2. Step 2: Convert to fraction form
    118,558,799.54/163,628,264.90 = 68,313,399.06/x
  3. Step 3: Cross multiply
    118,558,799.54x = 163,628,264.90 × 68,313,399.06
  4. Step 4: Simplify right side
    118,558,799.54x = 11,178,002,957,609,092
  5. Step 5: Solve for x
    x = 11,178,002,957,609,092/118,558,799.54
  6. Step 6: Final answer
    x = 94,282,356.10

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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.