Home / 367,887,619.47-551,833,421.81-109,105,081.86

Finding the Fourth Proportional to 367,887,619.47, 551,833,421.81 and 109,105,081.86

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Solution

The fourth proportional to 367,887,619.47, 551,833,421.81 and 109,105,081.86 is: 163,658,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,887,619.47 : 551,833,421.81 = 109,105,081.86 : x
  2. Step 2: Convert to fraction form
    367,887,619.47/551,833,421.81 = 109,105,081.86/x
  3. Step 3: Cross multiply
    367,887,619.47x = 551,833,421.81 × 109,105,081.86
  4. Step 4: Simplify right side
    367,887,619.47x = 60,207,830,659,118,424
  5. Step 5: Solve for x
    x = 60,207,830,659,118,424/367,887,619.47
  6. Step 6: Final answer
    x = 163,658,213.74

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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.