Home / 212,333,915.58-318,518,950.02-64,814,610.30

Finding the Fourth Proportional to 212,333,915.58, 318,518,950.02 and 64,814,610.30

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Solution

The fourth proportional to 212,333,915.58, 318,518,950.02 and 64,814,610.30 is: 97,227,433.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,333,915.58 : 318,518,950.02 = 64,814,610.30 : x
  2. Step 2: Convert to fraction form
    212,333,915.58/318,518,950.02 = 64,814,610.30/x
  3. Step 3: Cross multiply
    212,333,915.58x = 318,518,950.02 × 64,814,610.30
  4. Step 4: Simplify right side
    212,333,915.58x = 20,644,681,618,711,476
  5. Step 5: Solve for x
    x = 20,644,681,618,711,476/212,333,915.58
  6. Step 6: Final answer
    x = 97,227,433.32

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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.