Home / 155,529,845.20-233,294,767.80-138,901,646.80

Finding the Fourth Proportional to 155,529,845.20, 233,294,767.80 and 138,901,646.80

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Solution

The fourth proportional to 155,529,845.20, 233,294,767.80 and 138,901,646.80 is: 208,352,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,529,845.20 : 233,294,767.80 = 138,901,646.80 : x
  2. Step 2: Convert to fraction form
    155,529,845.20/233,294,767.80 = 138,901,646.80/x
  3. Step 3: Cross multiply
    155,529,845.20x = 233,294,767.80 × 138,901,646.80
  4. Step 4: Simplify right side
    155,529,845.20x = 32,405,027,437,243,616
  5. Step 5: Solve for x
    x = 32,405,027,437,243,616/155,529,845.20
  6. Step 6: Final answer
    x = 208,352,470.20

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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.