Home / 190,270,508.10-285,405,762.15-99,382,287.30

Finding the Fourth Proportional to 190,270,508.10, 285,405,762.15 and 99,382,287.30

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Solution

The fourth proportional to 190,270,508.10, 285,405,762.15 and 99,382,287.30 is: 149,073,430.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,270,508.10 : 285,405,762.15 = 99,382,287.30 : x
  2. Step 2: Convert to fraction form
    190,270,508.10/285,405,762.15 = 99,382,287.30/x
  3. Step 3: Cross multiply
    190,270,508.10x = 285,405,762.15 × 99,382,287.30
  4. Step 4: Simplify right side
    190,270,508.10x = 28,364,277,451,066,764
  5. Step 5: Solve for x
    x = 28,364,277,451,066,764/190,270,508.10
  6. Step 6: Final answer
    x = 149,073,430.95

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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.