Home / 108,827,709.89-150,188,556.98-81,956,946.74

Finding the Fourth Proportional to 108,827,709.89, 150,188,556.98 and 81,956,946.74

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Solution

The fourth proportional to 108,827,709.89, 150,188,556.98 and 81,956,946.74 is: 113,105,344.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,827,709.89 : 150,188,556.98 = 81,956,946.74 : x
  2. Step 2: Convert to fraction form
    108,827,709.89/150,188,556.98 = 81,956,946.74/x
  3. Step 3: Cross multiply
    108,827,709.89x = 150,188,556.98 × 81,956,946.74
  4. Step 4: Simplify right side
    108,827,709.89x = 12,308,995,564,821,264
  5. Step 5: Solve for x
    x = 12,308,995,564,821,264/108,827,709.89
  6. Step 6: Final answer
    x = 113,105,344.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.