Home / 131,134,473.86-196,699,010.09-43,702,339.05

Finding the Fourth Proportional to 131,134,473.86, 196,699,010.09 and 43,702,339.05

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Solution

The fourth proportional to 131,134,473.86, 196,699,010.09 and 43,702,339.05 is: 65,552,608.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,134,473.86 : 196,699,010.09 = 43,702,339.05 : x
  2. Step 2: Convert to fraction form
    131,134,473.86/196,699,010.09 = 43,702,339.05/x
  3. Step 3: Cross multiply
    131,134,473.86x = 196,699,010.09 × 43,702,339.05
  4. Step 4: Simplify right side
    131,134,473.86x = 8,596,206,829,534,039
  5. Step 5: Solve for x
    x = 8,596,206,829,534,039/131,134,473.86
  6. Step 6: Final answer
    x = 65,552,608.53

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1.5x scale

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.