Home / 232,541,456.48-320,907,034.52-128,119,527.80

Finding the Fourth Proportional to 232,541,456.48, 320,907,034.52 and 128,119,527.80

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Solution

The fourth proportional to 232,541,456.48, 320,907,034.52 and 128,119,527.80 is: 176,804,851.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,541,456.48 : 320,907,034.52 = 128,119,527.80 : x
  2. Step 2: Convert to fraction form
    232,541,456.48/320,907,034.52 = 128,119,527.80/x
  3. Step 3: Cross multiply
    232,541,456.48x = 320,907,034.52 × 128,119,527.80
  4. Step 4: Simplify right side
    232,541,456.48x = 41,114,457,730,834,912
  5. Step 5: Solve for x
    x = 41,114,457,730,834,912/232,541,456.48
  6. Step 6: Final answer
    x = 176,804,851.72

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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.