Home / 199,156,841.64-298,670,612.04-66,173,983.02

Finding the Fourth Proportional to 199,156,841.64, 298,670,612.04 and 66,173,983.02

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Solution

The fourth proportional to 199,156,841.64, 298,670,612.04 and 66,173,983.02 is: 99,239,493.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,156,841.64 : 298,670,612.04 = 66,173,983.02 : x
  2. Step 2: Convert to fraction form
    199,156,841.64/298,670,612.04 = 66,173,983.02/x
  3. Step 3: Cross multiply
    199,156,841.64x = 298,670,612.04 × 66,173,983.02
  4. Step 4: Simplify right side
    199,156,841.64x = 19,764,224,009,707,968
  5. Step 5: Solve for x
    x = 19,764,224,009,707,968/199,156,841.64
  6. Step 6: Final answer
    x = 99,239,493.09

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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.