Home / 77,311,915.12-116,051,902.69-31,285,472.23

Finding the Fourth Proportional to 77,311,915.12, 116,051,902.69 and 31,285,472.23

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Solution

The fourth proportional to 77,311,915.12, 116,051,902.69 and 31,285,472.23 is: 46,962,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,311,915.12 : 116,051,902.69 = 31,285,472.23 : x
  2. Step 2: Convert to fraction form
    77,311,915.12/116,051,902.69 = 31,285,472.23/x
  3. Step 3: Cross multiply
    77,311,915.12x = 116,051,902.69 × 31,285,472.23
  4. Step 4: Simplify right side
    77,311,915.12x = 3,630,738,578,690,230
  5. Step 5: Solve for x
    x = 3,630,738,578,690,230/77,311,915.12
  6. Step 6: Final answer
    x = 46,962,212.40

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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.