Home / 283,069,507.47-390,648,489.44-159,318,199.95

Finding the Fourth Proportional to 283,069,507.47, 390,648,489.44 and 159,318,199.95

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Solution

The fourth proportional to 283,069,507.47, 390,648,489.44 and 159,318,199.95 is: 219,866,190.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,069,507.47 : 390,648,489.44 = 159,318,199.95 : x
  2. Step 2: Convert to fraction form
    283,069,507.47/390,648,489.44 = 159,318,199.95/x
  3. Step 3: Cross multiply
    283,069,507.47x = 390,648,489.44 × 159,318,199.95
  4. Step 4: Simplify right side
    283,069,507.47x = 62,237,414,149,970,792
  5. Step 5: Solve for x
    x = 62,237,414,149,970,792/283,069,507.47
  6. Step 6: Final answer
    x = 219,866,190.13

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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.