Home / 232,576,579.45-320,941,218.22-128,148,806.89

Finding the Fourth Proportional to 232,576,579.45, 320,941,218.22 and 128,148,806.89

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Solution

The fourth proportional to 232,576,579.45, 320,941,218.22 and 128,148,806.89 is: 176,837,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,576,579.45 : 320,941,218.22 = 128,148,806.89 : x
  2. Step 2: Convert to fraction form
    232,576,579.45/320,941,218.22 = 128,148,806.89/x
  3. Step 3: Cross multiply
    232,576,579.45x = 320,941,218.22 × 128,148,806.89
  4. Step 4: Simplify right side
    232,576,579.45x = 41,128,234,196,716,136
  5. Step 5: Solve for x
    x = 41,128,234,196,716,136/232,576,579.45
  6. Step 6: Final answer
    x = 176,837,385.32

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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.