Home / 399,539,839.02-599,357,781.84-140,701,565.58

Finding the Fourth Proportional to 399,539,839.02, 599,357,781.84 and 140,701,565.58

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Solution

The fourth proportional to 399,539,839.02, 599,357,781.84 and 140,701,565.58 is: 211,069,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,539,839.02 : 599,357,781.84 = 140,701,565.58 : x
  2. Step 2: Convert to fraction form
    399,539,839.02/599,357,781.84 = 140,701,565.58/x
  3. Step 3: Cross multiply
    399,539,839.02x = 599,357,781.84 × 140,701,565.58
  4. Step 4: Simplify right side
    399,539,839.02x = 84,330,578,247,444,112
  5. Step 5: Solve for x
    x = 84,330,578,247,444,112/399,539,839.02
  6. Step 6: Final answer
    x = 211,069,260.21

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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.