Home / 278,831,032.31-418,157,813.87-92,050,197.95

Finding the Fourth Proportional to 278,831,032.31, 418,157,813.87 and 92,050,197.95

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Solution

The fourth proportional to 278,831,032.31, 418,157,813.87 and 92,050,197.95 is: 138,046,003.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,831,032.31 : 418,157,813.87 = 92,050,197.95 : x
  2. Step 2: Convert to fraction form
    278,831,032.31/418,157,813.87 = 92,050,197.95/x
  3. Step 3: Cross multiply
    278,831,032.31x = 418,157,813.87 × 92,050,197.95
  4. Step 4: Simplify right side
    278,831,032.31x = 38,491,509,538,521,712
  5. Step 5: Solve for x
    x = 38,491,509,538,521,712/278,831,032.31
  6. Step 6: Final answer
    x = 138,046,003.06

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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.