Home / 232,590,601.37-320,977,182.24-128,172,409.28

Finding the Fourth Proportional to 232,590,601.37, 320,977,182.24 and 128,172,409.28

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Solution

The fourth proportional to 232,590,601.37, 320,977,182.24 and 128,172,409.28 is: 176,879,110.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,590,601.37 : 320,977,182.24 = 128,172,409.28 : x
  2. Step 2: Convert to fraction form
    232,590,601.37/320,977,182.24 = 128,172,409.28/x
  3. Step 3: Cross multiply
    232,590,601.37x = 320,977,182.24 × 128,172,409.28
  4. Step 4: Simplify right side
    232,590,601.37x = 41,140,418,771,606,432
  5. Step 5: Solve for x
    x = 41,140,418,771,606,432/232,590,601.37
  6. Step 6: Final answer
    x = 176,879,110.89

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1.5x scale

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.