Home / 212,584,998.60-318,877,502.40-51,026,934.60

Finding the Fourth Proportional to 212,584,998.60, 318,877,502.40 and 51,026,934.60

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Solution

The fourth proportional to 212,584,998.60, 318,877,502.40 and 51,026,934.60 is: 76,540,402.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,584,998.60 : 318,877,502.40 = 51,026,934.60 : x
  2. Step 2: Convert to fraction form
    212,584,998.60/318,877,502.40 = 51,026,934.60/x
  3. Step 3: Cross multiply
    212,584,998.60x = 318,877,502.40 × 51,026,934.60
  4. Step 4: Simplify right side
    212,584,998.60x = 16,271,341,460,376,142
  5. Step 5: Solve for x
    x = 16,271,341,460,376,142/212,584,998.60
  6. Step 6: Final answer
    x = 76,540,402.98

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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.