Home / 137,108,659.44-189,210,309.34-74,384,754.15

Finding the Fourth Proportional to 137,108,659.44, 189,210,309.34 and 74,384,754.15

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Solution

The fourth proportional to 137,108,659.44, 189,210,309.34 and 74,384,754.15 is: 102,651,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,108,659.44 : 189,210,309.34 = 74,384,754.15 : x
  2. Step 2: Convert to fraction form
    137,108,659.44/189,210,309.34 = 74,384,754.15/x
  3. Step 3: Cross multiply
    137,108,659.44x = 189,210,309.34 × 74,384,754.15
  4. Step 4: Simplify right side
    137,108,659.44x = 14,074,362,342,901,350
  5. Step 5: Solve for x
    x = 14,074,362,342,901,350/137,108,659.44
  6. Step 6: Final answer
    x = 102,651,155.66

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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.