Home / 257,333,999.10-385,907,557.05-140,835,454.26

Finding the Fourth Proportional to 257,333,999.10, 385,907,557.05 and 140,835,454.26

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Solution

The fourth proportional to 257,333,999.10, 385,907,557.05 and 140,835,454.26 is: 211,202,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,333,999.10 : 385,907,557.05 = 140,835,454.26 : x
  2. Step 2: Convert to fraction form
    257,333,999.10/385,907,557.05 = 140,835,454.26/x
  3. Step 3: Cross multiply
    257,333,999.10x = 385,907,557.05 × 140,835,454.26
  4. Step 4: Simplify right side
    257,333,999.10x = 54,349,466,099,503,616
  5. Step 5: Solve for x
    x = 54,349,466,099,503,616/257,333,999.10
  6. Step 6: Final answer
    x = 211,202,042.05

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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.