Home / 108,958,615.20-163,363,273.20-51,478,423.20

Finding the Fourth Proportional to 108,958,615.20, 163,363,273.20 and 51,478,423.20

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Solution

The fourth proportional to 108,958,615.20, 163,363,273.20 and 51,478,423.20 is: 77,182,365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,958,615.20 : 163,363,273.20 = 51,478,423.20 : x
  2. Step 2: Convert to fraction form
    108,958,615.20/163,363,273.20 = 51,478,423.20/x
  3. Step 3: Cross multiply
    108,958,615.20x = 163,363,273.20 × 51,478,423.20
  4. Step 4: Simplify right side
    108,958,615.20x = 8,409,683,713,126,818
  5. Step 5: Solve for x
    x = 8,409,683,713,126,818/108,958,615.20
  6. Step 6: Final answer
    x = 77,182,365.96

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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.