Home / 84,573,009.45-118,147,121.55-84,573,009.45

Finding the Fourth Proportional to 84,573,009.45, 118,147,121.55 and 84,573,009.45

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Solution

The fourth proportional to 84,573,009.45, 118,147,121.55 and 84,573,009.45 is: 118,147,121.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,573,009.45 : 118,147,121.55 = 84,573,009.45 : x
  2. Step 2: Convert to fraction form
    84,573,009.45/118,147,121.55 = 84,573,009.45/x
  3. Step 3: Cross multiply
    84,573,009.45x = 118,147,121.55 × 84,573,009.45
  4. Step 4: Simplify right side
    84,573,009.45x = 9,992,057,627,338,448
  5. Step 5: Solve for x
    x = 9,992,057,627,338,448/84,573,009.45
  6. Step 6: Final answer
    x = 118,147,121.55

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.