Home / 131,601,534.36-181,615,793.76-72,864,200.76

Finding the Fourth Proportional to 131,601,534.36, 181,615,793.76 and 72,864,200.76

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Solution

The fourth proportional to 131,601,534.36, 181,615,793.76 and 72,864,200.76 is: 100,555,739.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,601,534.36 : 181,615,793.76 = 72,864,200.76 : x
  2. Step 2: Convert to fraction form
    131,601,534.36/181,615,793.76 = 72,864,200.76/x
  3. Step 3: Cross multiply
    131,601,534.36x = 181,615,793.76 × 72,864,200.76
  4. Step 4: Simplify right side
    131,601,534.36x = 13,233,289,657,715,396
  5. Step 5: Solve for x
    x = 13,233,289,657,715,396/131,601,534.36
  6. Step 6: Final answer
    x = 100,555,739.89

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1.5x scale

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.