Home / 252,749,759.10-379,166,629.05-99,400,818.30

Finding the Fourth Proportional to 252,749,759.10, 379,166,629.05 and 99,400,818.30

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Solution

The fourth proportional to 252,749,759.10, 379,166,629.05 and 99,400,818.30 is: 149,117,741.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,749,759.10 : 379,166,629.05 = 99,400,818.30 : x
  2. Step 2: Convert to fraction form
    252,749,759.10/379,166,629.05 = 99,400,818.30/x
  3. Step 3: Cross multiply
    252,749,759.10x = 379,166,629.05 × 99,400,818.30
  4. Step 4: Simplify right side
    252,749,759.10x = 37,689,473,199,622,552
  5. Step 5: Solve for x
    x = 37,689,473,199,622,552/252,749,759.10
  6. Step 6: Final answer
    x = 149,117,741.33

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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.