Home / 278,831,030.05-418,157,810.49-92,050,195.69

Finding the Fourth Proportional to 278,831,030.05, 418,157,810.49 and 92,050,195.69

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Solution

The fourth proportional to 278,831,030.05, 418,157,810.49 and 92,050,195.69 is: 138,045,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,831,030.05 : 418,157,810.49 = 92,050,195.69 : x
  2. Step 2: Convert to fraction form
    278,831,030.05/418,157,810.49 = 92,050,195.69/x
  3. Step 3: Cross multiply
    278,831,030.05x = 418,157,810.49 × 92,050,195.69
  4. Step 4: Simplify right side
    278,831,030.05x = 38,491,508,283,861,040
  5. Step 5: Solve for x
    x = 38,491,508,283,861,040/278,831,030.05
  6. Step 6: Final answer
    x = 138,045,999.68

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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.