Home / 161,640,349.20-242,460,523.80-46,628,643.60

Finding the Fourth Proportional to 161,640,349.20, 242,460,523.80 and 46,628,643.60

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Solution

The fourth proportional to 161,640,349.20, 242,460,523.80 and 46,628,643.60 is: 69,942,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,640,349.20 : 242,460,523.80 = 46,628,643.60 : x
  2. Step 2: Convert to fraction form
    161,640,349.20/242,460,523.80 = 46,628,643.60/x
  3. Step 3: Cross multiply
    161,640,349.20x = 242,460,523.80 × 46,628,643.60
  4. Step 4: Simplify right side
    161,640,349.20x = 11,305,605,351,339,518
  5. Step 5: Solve for x
    x = 11,305,605,351,339,518/161,640,349.20
  6. Step 6: Final answer
    x = 69,942,965.40

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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.