Home / 399,539,835.27-599,357,776.19-140,701,561.83

Finding the Fourth Proportional to 399,539,835.27, 599,357,776.19 and 140,701,561.83

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Solution

The fourth proportional to 399,539,835.27, 599,357,776.19 and 140,701,561.83 is: 211,069,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,539,835.27 : 599,357,776.19 = 140,701,561.83 : x
  2. Step 2: Convert to fraction form
    399,539,835.27/599,357,776.19 = 140,701,561.83/x
  3. Step 3: Cross multiply
    399,539,835.27x = 599,357,776.19 × 140,701,561.83
  4. Step 4: Simplify right side
    399,539,835.27x = 84,330,575,204,185,072
  5. Step 5: Solve for x
    x = 84,330,575,204,185,072/399,539,835.27
  6. Step 6: Final answer
    x = 211,069,254.58

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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.