Home / 214,656,005.40-321,984,008.10-199,539,461.40

Finding the Fourth Proportional to 214,656,005.40, 321,984,008.10 and 199,539,461.40

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Solution

The fourth proportional to 214,656,005.40, 321,984,008.10 and 199,539,461.40 is: 299,309,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,656,005.40 : 321,984,008.10 = 199,539,461.40 : x
  2. Step 2: Convert to fraction form
    214,656,005.40/321,984,008.10 = 199,539,461.40/x
  3. Step 3: Cross multiply
    214,656,005.40x = 321,984,008.10 × 199,539,461.40
  4. Step 4: Simplify right side
    214,656,005.40x = 64,248,515,555,687,248
  5. Step 5: Solve for x
    x = 64,248,515,555,687,248/214,656,005.40
  6. Step 6: Final answer
    x = 299,309,192.10

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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.