Home / 137,605,961.70-189,896,254.20-75,726,300.60

Finding the Fourth Proportional to 137,605,961.70, 189,896,254.20 and 75,726,300.60

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Solution

The fourth proportional to 137,605,961.70, 189,896,254.20 and 75,726,300.60 is: 104,502,309.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,605,961.70 : 189,896,254.20 = 75,726,300.60 : x
  2. Step 2: Convert to fraction form
    137,605,961.70/189,896,254.20 = 75,726,300.60/x
  3. Step 3: Cross multiply
    137,605,961.70x = 189,896,254.20 × 75,726,300.60
  4. Step 4: Simplify right side
    137,605,961.70x = 14,380,140,828,363,210
  5. Step 5: Solve for x
    x = 14,380,140,828,363,210/137,605,961.70
  6. Step 6: Final answer
    x = 104,502,309.72

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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.