Home / 213,932,527.84-320,805,345.12-75,712,196.08

Finding the Fourth Proportional to 213,932,527.84, 320,805,345.12 and 75,712,196.08

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Solution

The fourth proportional to 213,932,527.84, 320,805,345.12 and 75,712,196.08 is: 113,535,222.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,932,527.84 : 320,805,345.12 = 75,712,196.08 : x
  2. Step 2: Convert to fraction form
    213,932,527.84/320,805,345.12 = 75,712,196.08/x
  3. Step 3: Cross multiply
    213,932,527.84x = 320,805,345.12 × 75,712,196.08
  4. Step 4: Simplify right side
    213,932,527.84x = 24,288,877,193,237,512
  5. Step 5: Solve for x
    x = 24,288,877,193,237,512/213,932,527.84
  6. Step 6: Final answer
    x = 113,535,222.71

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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.