Home / 296,985,976.20-445,904,117.10-167,845,813.20

Finding the Fourth Proportional to 296,985,976.20, 445,904,117.10 and 167,845,813.20

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Solution

The fourth proportional to 296,985,976.20, 445,904,117.10 and 167,845,813.20 is: 252,009,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,985,976.20 : 445,904,117.10 = 167,845,813.20 : x
  2. Step 2: Convert to fraction form
    296,985,976.20/445,904,117.10 = 167,845,813.20/x
  3. Step 3: Cross multiply
    296,985,976.20x = 445,904,117.10 × 167,845,813.20
  4. Step 4: Simplify right side
    296,985,976.20x = 74,843,139,143,877,520
  5. Step 5: Solve for x
    x = 74,843,139,143,877,520/296,985,976.20
  6. Step 6: Final answer
    x = 252,009,000.90

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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.