Home / 61,691,728.83-85,134,586.70-34,191,428.55

Finding the Fourth Proportional to 61,691,728.83, 85,134,586.70 and 34,191,428.55

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Solution

The fourth proportional to 61,691,728.83, 85,134,586.70 and 34,191,428.55 is: 47,184,171.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,691,728.83 : 85,134,586.70 = 34,191,428.55 : x
  2. Step 2: Convert to fraction form
    61,691,728.83/85,134,586.70 = 34,191,428.55/x
  3. Step 3: Cross multiply
    61,691,728.83x = 85,134,586.70 × 34,191,428.55
  4. Step 4: Simplify right side
    61,691,728.83x = 2,910,873,138,286,830
  5. Step 5: Solve for x
    x = 2,910,873,138,286,830/61,691,728.83
  6. Step 6: Final answer
    x = 47,184,171.91

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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.