Home / 232,460,941.48-320,796,081.30-128,039,012.80

Finding the Fourth Proportional to 232,460,941.48, 320,796,081.30 and 128,039,012.80

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Solution

The fourth proportional to 232,460,941.48, 320,796,081.30 and 128,039,012.80 is: 176,693,827.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,460,941.48 : 320,796,081.30 = 128,039,012.80 : x
  2. Step 2: Convert to fraction form
    232,460,941.48/320,796,081.30 = 128,039,012.80/x
  3. Step 3: Cross multiply
    232,460,941.48x = 320,796,081.30 × 128,039,012.80
  4. Step 4: Simplify right side
    232,460,941.48x = 41,074,413,559,760,544
  5. Step 5: Solve for x
    x = 41,074,413,559,760,544/232,460,941.48
  6. Step 6: Final answer
    x = 176,693,827.78

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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.