Home / 231,886,543.96-320,004,094.40-132,768,811.72

Finding the Fourth Proportional to 231,886,543.96, 320,004,094.40 and 132,768,811.72

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Solution

The fourth proportional to 231,886,543.96, 320,004,094.40 and 132,768,811.72 is: 183,221,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,886,543.96 : 320,004,094.40 = 132,768,811.72 : x
  2. Step 2: Convert to fraction form
    231,886,543.96/320,004,094.40 = 132,768,811.72/x
  3. Step 3: Cross multiply
    231,886,543.96x = 320,004,094.40 × 132,768,811.72
  4. Step 4: Simplify right side
    231,886,543.96x = 42,486,563,359,022,704
  5. Step 5: Solve for x
    x = 42,486,563,359,022,704/231,886,543.96
  6. Step 6: Final answer
    x = 183,221,340.20

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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.