Home / 121,292,415.30-181,814,620.05-59,786,976.90

Finding the Fourth Proportional to 121,292,415.30, 181,814,620.05 and 59,786,976.90

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Solution

The fourth proportional to 121,292,415.30, 181,814,620.05 and 59,786,976.90 is: 89,619,342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,292,415.30 : 181,814,620.05 = 59,786,976.90 : x
  2. Step 2: Convert to fraction form
    121,292,415.30/181,814,620.05 = 59,786,976.90/x
  3. Step 3: Cross multiply
    121,292,415.30x = 181,814,620.05 × 59,786,976.90
  4. Step 4: Simplify right side
    121,292,415.30x = 10,870,146,489,011,628
  5. Step 5: Solve for x
    x = 10,870,146,489,011,628/121,292,415.30
  6. Step 6: Final answer
    x = 89,619,342.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.