Home / 108,889,206.20-163,333,809.30-84,230,343.80

Finding the Fourth Proportional to 108,889,206.20, 163,333,809.30 and 84,230,343.80

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Solution

The fourth proportional to 108,889,206.20, 163,333,809.30 and 84,230,343.80 is: 126,345,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889,206.20 : 163,333,809.30 = 84,230,343.80 : x
  2. Step 2: Convert to fraction form
    108,889,206.20/163,333,809.30 = 84,230,343.80/x
  3. Step 3: Cross multiply
    108,889,206.20x = 163,333,809.30 × 84,230,343.80
  4. Step 4: Simplify right side
    108,889,206.20x = 13,757,662,911,502,638
  5. Step 5: Solve for x
    x = 13,757,662,911,502,638/108,889,206.20
  6. Step 6: Final answer
    x = 126,345,515.70

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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.