Home / 141,177,984.04-194,830,343.49-78,456,725.47

Finding the Fourth Proportional to 141,177,984.04, 194,830,343.49 and 78,456,725.47

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Solution

The fourth proportional to 141,177,984.04, 194,830,343.49 and 78,456,725.47 is: 108,272,907.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,177,984.04 : 194,830,343.49 = 78,456,725.47 : x
  2. Step 2: Convert to fraction form
    141,177,984.04/194,830,343.49 = 78,456,725.47/x
  3. Step 3: Cross multiply
    141,177,984.04x = 194,830,343.49 × 78,456,725.47
  4. Step 4: Simplify right side
    141,177,984.04x = 15,285,750,772,420,732
  5. Step 5: Solve for x
    x = 15,285,750,772,420,732/141,177,984.04
  6. Step 6: Final answer
    x = 108,272,907.26

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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.