Home / 76,630,247.20-114,945,370.80-40,224,570.40

Finding the Fourth Proportional to 76,630,247.20, 114,945,370.80 and 40,224,570.40

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Solution

The fourth proportional to 76,630,247.20, 114,945,370.80 and 40,224,570.40 is: 60,336,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,630,247.20 : 114,945,370.80 = 40,224,570.40 : x
  2. Step 2: Convert to fraction form
    76,630,247.20/114,945,370.80 = 40,224,570.40/x
  3. Step 3: Cross multiply
    76,630,247.20x = 114,945,370.80 × 40,224,570.40
  4. Step 4: Simplify right side
    76,630,247.20x = 4,623,628,159,898,704
  5. Step 5: Solve for x
    x = 4,623,628,159,898,704/76,630,247.20
  6. Step 6: Final answer
    x = 60,336,855.60

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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.