Home / 201,936,125.80-278,693,995.62-117,181,914.76

Finding the Fourth Proportional to 201,936,125.80, 278,693,995.62 and 117,181,914.76

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Solution

The fourth proportional to 201,936,125.80, 278,693,995.62 and 117,181,914.76 is: 161,723,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,936,125.80 : 278,693,995.62 = 117,181,914.76 : x
  2. Step 2: Convert to fraction form
    201,936,125.80/278,693,995.62 = 117,181,914.76/x
  3. Step 3: Cross multiply
    201,936,125.80x = 278,693,995.62 × 117,181,914.76
  4. Step 4: Simplify right side
    201,936,125.80x = 32,657,896,038,866,656
  5. Step 5: Solve for x
    x = 32,657,896,038,866,656/201,936,125.80
  6. Step 6: Final answer
    x = 161,723,891.20

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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.