Home / 283,034,761.89-390,587,171.34-159,275,437.80

Finding the Fourth Proportional to 283,034,761.89, 390,587,171.34 and 159,275,437.80

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Solution

The fourth proportional to 283,034,761.89, 390,587,171.34 and 159,275,437.80 is: 219,799,653.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,034,761.89 : 390,587,171.34 = 159,275,437.80 : x
  2. Step 2: Convert to fraction form
    283,034,761.89/390,587,171.34 = 159,275,437.80/x
  3. Step 3: Cross multiply
    283,034,761.89x = 390,587,171.34 × 159,275,437.80
  4. Step 4: Simplify right side
    283,034,761.89x = 62,210,942,714,242,112
  5. Step 5: Solve for x
    x = 62,210,942,714,242,112/283,034,761.89
  6. Step 6: Final answer
    x = 219,799,653.93

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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.