Home / 231,886,542.96-320,004,093.02-132,768,810.72

Finding the Fourth Proportional to 231,886,542.96, 320,004,093.02 and 132,768,810.72

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Solution

The fourth proportional to 231,886,542.96, 320,004,093.02 and 132,768,810.72 is: 183,221,338.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,886,542.96 : 320,004,093.02 = 132,768,810.72 : x
  2. Step 2: Convert to fraction form
    231,886,542.96/320,004,093.02 = 132,768,810.72/x
  3. Step 3: Cross multiply
    231,886,542.96x = 320,004,093.02 × 132,768,810.72
  4. Step 4: Simplify right side
    231,886,542.96x = 42,486,562,855,133,808
  5. Step 5: Solve for x
    x = 42,486,562,855,133,808/231,886,542.96
  6. Step 6: Final answer
    x = 183,221,338.82

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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.