Home / 212,139,506.74-318,257,136.78-64,600,265.02

Finding the Fourth Proportional to 212,139,506.74, 318,257,136.78 and 64,600,265.02

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Solution

The fourth proportional to 212,139,506.74, 318,257,136.78 and 64,600,265.02 is: 96,914,976.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,139,506.74 : 318,257,136.78 = 64,600,265.02 : x
  2. Step 2: Convert to fraction form
    212,139,506.74/318,257,136.78 = 64,600,265.02/x
  3. Step 3: Cross multiply
    212,139,506.74x = 318,257,136.78 × 64,600,265.02
  4. Step 4: Simplify right side
    212,139,506.74x = 20,559,495,380,494,388
  5. Step 5: Solve for x
    x = 20,559,495,380,494,388/212,139,506.74
  6. Step 6: Final answer
    x = 96,914,976.83

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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.