Home / 68,696,905.40-103,045,358.10-30,433,153.40

Finding the Fourth Proportional to 68,696,905.40, 103,045,358.10 and 30,433,153.40

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Solution

The fourth proportional to 68,696,905.40, 103,045,358.10 and 30,433,153.40 is: 45,649,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,696,905.40 : 103,045,358.10 = 30,433,153.40 : x
  2. Step 2: Convert to fraction form
    68,696,905.40/103,045,358.10 = 30,433,153.40/x
  3. Step 3: Cross multiply
    68,696,905.40x = 103,045,358.10 × 30,433,153.40
  4. Step 4: Simplify right side
    68,696,905.40x = 3,135,995,190,215,232
  5. Step 5: Solve for x
    x = 3,135,995,190,215,232/68,696,905.40
  6. Step 6: Final answer
    x = 45,649,730.10

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Similar ratio
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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.