Home / 210,359,687.52-290,482,507.44-131,110,000.68

Finding the Fourth Proportional to 210,359,687.52, 290,482,507.44 and 131,110,000.68

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Solution

The fourth proportional to 210,359,687.52, 290,482,507.44 and 131,110,000.68 is: 181,047,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,359,687.52 : 290,482,507.44 = 131,110,000.68 : x
  2. Step 2: Convert to fraction form
    210,359,687.52/290,482,507.44 = 131,110,000.68/x
  3. Step 3: Cross multiply
    210,359,687.52x = 290,482,507.44 × 131,110,000.68
  4. Step 4: Simplify right side
    210,359,687.52x = 38,085,161,747,986,504
  5. Step 5: Solve for x
    x = 38,085,161,747,986,504/210,359,687.52
  6. Step 6: Final answer
    x = 181,047,814.80

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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.