Home / 212,584,962.72-318,877,448.28-51,026,898.72

Finding the Fourth Proportional to 212,584,962.72, 318,877,448.28 and 51,026,898.72

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Solution

The fourth proportional to 212,584,962.72, 318,877,448.28 and 51,026,898.72 is: 76,540,349.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,584,962.72 : 318,877,448.28 = 51,026,898.72 : x
  2. Step 2: Convert to fraction form
    212,584,962.72/318,877,448.28 = 51,026,898.72/x
  3. Step 3: Cross multiply
    212,584,962.72x = 318,877,448.28 × 51,026,898.72
  4. Step 4: Simplify right side
    212,584,962.72x = 16,271,327,257,475,596
  5. Step 5: Solve for x
    x = 16,271,327,257,475,596/212,584,962.72
  6. Step 6: Final answer
    x = 76,540,349.09

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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.