Home / 108,889,360.70-163,334,041.05-84,230,498.30

Finding the Fourth Proportional to 108,889,360.70, 163,334,041.05 and 84,230,498.30

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Solution

The fourth proportional to 108,889,360.70, 163,334,041.05 and 84,230,498.30 is: 126,345,747.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889,360.70 : 163,334,041.05 = 84,230,498.30 : x
  2. Step 2: Convert to fraction form
    108,889,360.70/163,334,041.05 = 84,230,498.30/x
  3. Step 3: Cross multiply
    108,889,360.70x = 163,334,041.05 × 84,230,498.30
  4. Step 4: Simplify right side
    108,889,360.70x = 13,757,707,666,994,156
  5. Step 5: Solve for x
    x = 13,757,707,666,994,156/108,889,360.70
  6. Step 6: Final answer
    x = 126,345,747.45

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Double scale
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Similar ratio
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1.5x scale

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.