Home / 85,464,010.90-128,192,905.95-34,332,145.30

Finding the Fourth Proportional to 85,464,010.90, 128,192,905.95 and 34,332,145.30

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Solution

The fourth proportional to 85,464,010.90, 128,192,905.95 and 34,332,145.30 is: 51,496,968.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,464,010.90 : 128,192,905.95 = 34,332,145.30 : x
  2. Step 2: Convert to fraction form
    85,464,010.90/128,192,905.95 = 34,332,145.30/x
  3. Step 3: Cross multiply
    85,464,010.90x = 128,192,905.95 × 34,332,145.30
  4. Step 4: Simplify right side
    85,464,010.90x = 4,401,137,473,504,634.50
  5. Step 5: Solve for x
    x = 4,401,137,473,504,634.50/85,464,010.90
  6. Step 6: Final answer
    x = 51,496,968.46

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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.