Home / 284,420,289.06-426,630,434.58-79,948,364.31

Finding the Fourth Proportional to 284,420,289.06, 426,630,434.58 and 79,948,364.31

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Solution

The fourth proportional to 284,420,289.06, 426,630,434.58 and 79,948,364.31 is: 119,922,546.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,420,289.06 : 426,630,434.58 = 79,948,364.31 : x
  2. Step 2: Convert to fraction form
    284,420,289.06/426,630,434.58 = 79,948,364.31/x
  3. Step 3: Cross multiply
    284,420,289.06x = 426,630,434.58 × 79,948,364.31
  4. Step 4: Simplify right side
    284,420,289.06x = 34,108,405,409,535,460
  5. Step 5: Solve for x
    x = 34,108,405,409,535,460/284,420,289.06
  6. Step 6: Final answer
    x = 119,922,546.74

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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.