Home / 137,309,146.77-189,536,344.83-90,914,347.47

Finding the Fourth Proportional to 137,309,146.77, 189,536,344.83 and 90,914,347.47

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Solution

The fourth proportional to 137,309,146.77, 189,536,344.83 and 90,914,347.47 is: 125,494,721.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,309,146.77 : 189,536,344.83 = 90,914,347.47 : x
  2. Step 2: Convert to fraction form
    137,309,146.77/189,536,344.83 = 90,914,347.47/x
  3. Step 3: Cross multiply
    137,309,146.77x = 189,536,344.83 × 90,914,347.47
  4. Step 4: Simplify right side
    137,309,146.77x = 17,231,573,112,068,360
  5. Step 5: Solve for x
    x = 17,231,573,112,068,360/137,309,146.77
  6. Step 6: Final answer
    x = 125,494,721.35

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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.