Home / 549,067,891.37-823,601,141.53-140,124,051.05

Finding the Fourth Proportional to 549,067,891.37, 823,601,141.53 and 140,124,051.05

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Solution

The fourth proportional to 549,067,891.37, 823,601,141.53 and 140,124,051.05 is: 210,185,899.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,067,891.37 : 823,601,141.53 = 140,124,051.05 : x
  2. Step 2: Convert to fraction form
    549,067,891.37/823,601,141.53 = 140,124,051.05/x
  3. Step 3: Cross multiply
    549,067,891.37x = 823,601,141.53 × 140,124,051.05
  4. Step 4: Simplify right side
    549,067,891.37x = 115,406,328,396,119,680
  5. Step 5: Solve for x
    x = 115,406,328,396,119,680/549,067,891.37
  6. Step 6: Final answer
    x = 210,185,899.07

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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.