Home / 217,545,407.76-326,327,117.16-64,191,461.28

Finding the Fourth Proportional to 217,545,407.76, 326,327,117.16 and 64,191,461.28

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Solution

The fourth proportional to 217,545,407.76, 326,327,117.16 and 64,191,461.28 is: 96,289,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,545,407.76 : 326,327,117.16 = 64,191,461.28 : x
  2. Step 2: Convert to fraction form
    217,545,407.76/326,327,117.16 = 64,191,461.28/x
  3. Step 3: Cross multiply
    217,545,407.76x = 326,327,117.16 × 64,191,461.28
  4. Step 4: Simplify right side
    217,545,407.76x = 20,947,414,505,790,164
  5. Step 5: Solve for x
    x = 20,947,414,505,790,164/217,545,407.76
  6. Step 6: Final answer
    x = 96,289,849.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.