Home / 163,296,005.20-244,944,007.80-66,298,181.20

Finding the Fourth Proportional to 163,296,005.20, 244,944,007.80 and 66,298,181.20

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Solution

The fourth proportional to 163,296,005.20, 244,944,007.80 and 66,298,181.20 is: 99,447,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,296,005.20 : 244,944,007.80 = 66,298,181.20 : x
  2. Step 2: Convert to fraction form
    163,296,005.20/244,944,007.80 = 66,298,181.20/x
  3. Step 3: Cross multiply
    163,296,005.20x = 244,944,007.80 × 66,298,181.20
  4. Step 4: Simplify right side
    163,296,005.20x = 16,239,342,212,978,614
  5. Step 5: Solve for x
    x = 16,239,342,212,978,614/163,296,005.20
  6. Step 6: Final answer
    x = 99,447,271.80

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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.