Home / 308,408,984.69-462,567,972.38-90,000,684.02

Finding the Fourth Proportional to 308,408,984.69, 462,567,972.38 and 90,000,684.02

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Solution

The fourth proportional to 308,408,984.69, 462,567,972.38 and 90,000,684.02 is: 134,987,746.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,408,984.69 : 462,567,972.38 = 90,000,684.02 : x
  2. Step 2: Convert to fraction form
    308,408,984.69/462,567,972.38 = 90,000,684.02/x
  3. Step 3: Cross multiply
    308,408,984.69x = 462,567,972.38 × 90,000,684.02
  4. Step 4: Simplify right side
    308,408,984.69x = 41,631,433,917,181,624
  5. Step 5: Solve for x
    x = 41,631,433,917,181,624/308,408,984.69
  6. Step 6: Final answer
    x = 134,987,746.74

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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.