Home / 165,950,543.10-248,925,814.65-79,857,101.10

Finding the Fourth Proportional to 165,950,543.10, 248,925,814.65 and 79,857,101.10

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Solution

The fourth proportional to 165,950,543.10, 248,925,814.65 and 79,857,101.10 is: 119,785,651.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,950,543.10 : 248,925,814.65 = 79,857,101.10 : x
  2. Step 2: Convert to fraction form
    165,950,543.10/248,925,814.65 = 79,857,101.10/x
  3. Step 3: Cross multiply
    165,950,543.10x = 248,925,814.65 × 79,857,101.10
  4. Step 4: Simplify right side
    165,950,543.10x = 19,878,493,946,904,912
  5. Step 5: Solve for x
    x = 19,878,493,946,904,912/165,950,543.10
  6. Step 6: Final answer
    x = 119,785,651.65

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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.