Home / 126,824,551.47-175,022,189.37-121,013,244.14

Finding the Fourth Proportional to 126,824,551.47, 175,022,189.37 and 121,013,244.14

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Solution

The fourth proportional to 126,824,551.47, 175,022,189.37 and 121,013,244.14 is: 167,002,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,824,551.47 : 175,022,189.37 = 121,013,244.14 : x
  2. Step 2: Convert to fraction form
    126,824,551.47/175,022,189.37 = 121,013,244.14/x
  3. Step 3: Cross multiply
    126,824,551.47x = 175,022,189.37 × 121,013,244.14
  4. Step 4: Simplify right side
    126,824,551.47x = 21,180,002,931,274,012
  5. Step 5: Solve for x
    x = 21,180,002,931,274,012/126,824,551.47
  6. Step 6: Final answer
    x = 167,002,387.83

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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.