Home / 268,527,662.37-402,791,595.05-120,802,667.25

Finding the Fourth Proportional to 268,527,662.37, 402,791,595.05 and 120,802,667.25

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Solution

The fourth proportional to 268,527,662.37, 402,791,595.05 and 120,802,667.25 is: 181,204,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,527,662.37 : 402,791,595.05 = 120,802,667.25 : x
  2. Step 2: Convert to fraction form
    268,527,662.37/402,791,595.05 = 120,802,667.25/x
  3. Step 3: Cross multiply
    268,527,662.37x = 402,791,595.05 × 120,802,667.25
  4. Step 4: Simplify right side
    268,527,662.37x = 48,658,299,026,034,528
  5. Step 5: Solve for x
    x = 48,658,299,026,034,528/268,527,662.37
  6. Step 6: Final answer
    x = 181,204,046.53

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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.