Home / 212,584,960.71-318,877,444.78-51,026,896.71

Finding the Fourth Proportional to 212,584,960.71, 318,877,444.78 and 51,026,896.71

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Solution

The fourth proportional to 212,584,960.71, 318,877,444.78 and 51,026,896.71 is: 76,540,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,584,960.71 : 318,877,444.78 = 51,026,896.71 : x
  2. Step 2: Convert to fraction form
    212,584,960.71/318,877,444.78 = 51,026,896.71/x
  3. Step 3: Cross multiply
    212,584,960.71x = 318,877,444.78 × 51,026,896.71
  4. Step 4: Simplify right side
    212,584,960.71x = 16,271,326,437,810,220
  5. Step 5: Solve for x
    x = 16,271,326,437,810,220/212,584,960.71
  6. Step 6: Final answer
    x = 76,540,345.96

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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.