Home / 278,831,029.49-418,157,809.65-92,050,195.13

Finding the Fourth Proportional to 278,831,029.49, 418,157,809.65 and 92,050,195.13

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Solution

The fourth proportional to 278,831,029.49, 418,157,809.65 and 92,050,195.13 is: 138,045,998.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,831,029.49 : 418,157,809.65 = 92,050,195.13 : x
  2. Step 2: Convert to fraction form
    278,831,029.49/418,157,809.65 = 92,050,195.13/x
  3. Step 3: Cross multiply
    278,831,029.49x = 418,157,809.65 × 92,050,195.13
  4. Step 4: Simplify right side
    278,831,029.49x = 38,491,507,973,415,896
  5. Step 5: Solve for x
    x = 38,491,507,973,415,896/278,831,029.49
  6. Step 6: Final answer
    x = 138,045,998.84

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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.