Home / 212,611,486.40-318,917,229.60-51,053,422.40

Finding the Fourth Proportional to 212,611,486.40, 318,917,229.60 and 51,053,422.40

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Solution

The fourth proportional to 212,611,486.40, 318,917,229.60 and 51,053,422.40 is: 76,580,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,611,486.40 : 318,917,229.60 = 51,053,422.40 : x
  2. Step 2: Convert to fraction form
    212,611,486.40/318,917,229.60 = 51,053,422.40/x
  3. Step 3: Cross multiply
    212,611,486.40x = 318,917,229.60 × 51,053,422.40
  4. Step 4: Simplify right side
    212,611,486.40x = 16,281,816,033,406,584
  5. Step 5: Solve for x
    x = 16,281,816,033,406,584/212,611,486.40
  6. Step 6: Final answer
    x = 76,580,133.60

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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.