Home / 140,803,665.54-194,318,038.17-78,924,020.10

Finding the Fourth Proportional to 140,803,665.54, 194,318,038.17 and 78,924,020.10

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Solution

The fourth proportional to 140,803,665.54, 194,318,038.17 and 78,924,020.10 is: 108,920,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,803,665.54 : 194,318,038.17 = 78,924,020.10 : x
  2. Step 2: Convert to fraction form
    140,803,665.54/194,318,038.17 = 78,924,020.10/x
  3. Step 3: Cross multiply
    140,803,665.54x = 194,318,038.17 × 78,924,020.10
  4. Step 4: Simplify right side
    140,803,665.54x = 15,336,360,750,321,646
  5. Step 5: Solve for x
    x = 15,336,360,750,321,646/140,803,665.54
  6. Step 6: Final answer
    x = 108,920,181.10

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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.