Home / 61,680,455.88-85,119,029.68-34,178,384.12

Finding the Fourth Proportional to 61,680,455.88, 85,119,029.68 and 34,178,384.12

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Solution

The fourth proportional to 61,680,455.88, 85,119,029.68 and 34,178,384.12 is: 47,166,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,680,455.88 : 85,119,029.68 = 34,178,384.12 : x
  2. Step 2: Convert to fraction form
    61,680,455.88/85,119,029.68 = 34,178,384.12/x
  3. Step 3: Cross multiply
    61,680,455.88x = 85,119,029.68 × 34,178,384.12
  4. Step 4: Simplify right side
    61,680,455.88x = 2,909,230,892,324,720.50
  5. Step 5: Solve for x
    x = 2,909,230,892,324,720.50/61,680,455.88
  6. Step 6: Final answer
    x = 47,166,170.40

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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.