Home / 85,437,250.42-117,900,637.94-47,759,412.12

Finding the Fourth Proportional to 85,437,250.42, 117,900,637.94 and 47,759,412.12

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Solution

The fourth proportional to 85,437,250.42, 117,900,637.94 and 47,759,412.12 is: 65,906,441.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,437,250.42 : 117,900,637.94 = 47,759,412.12 : x
  2. Step 2: Convert to fraction form
    85,437,250.42/117,900,637.94 = 47,759,412.12/x
  3. Step 3: Cross multiply
    85,437,250.42x = 117,900,637.94 × 47,759,412.12
  4. Step 4: Simplify right side
    85,437,250.42x = 5,630,865,156,995,289
  5. Step 5: Solve for x
    x = 5,630,865,156,995,289/85,437,250.42
  6. Step 6: Final answer
    x = 65,906,441.62

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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.