Home / 258,235,323.52-356,359,427.76-140,759,636.80

Finding the Fourth Proportional to 258,235,323.52, 356,359,427.76 and 140,759,636.80

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Solution

The fourth proportional to 258,235,323.52, 356,359,427.76 and 140,759,636.80 is: 194,245,399.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,235,323.52 : 356,359,427.76 = 140,759,636.80 : x
  2. Step 2: Convert to fraction form
    258,235,323.52/356,359,427.76 = 140,759,636.80/x
  3. Step 3: Cross multiply
    258,235,323.52x = 356,359,427.76 × 140,759,636.80
  4. Step 4: Simplify right side
    258,235,323.52x = 50,161,023,621,753,440
  5. Step 5: Solve for x
    x = 50,161,023,621,753,440/258,235,323.52
  6. Step 6: Final answer
    x = 194,245,399.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.