Home / 354,405,307.38-531,605,730.32-190,720,167.18

Finding the Fourth Proportional to 354,405,307.38, 531,605,730.32 and 190,720,167.18

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Solution

The fourth proportional to 354,405,307.38, 531,605,730.32 and 190,720,167.18 is: 286,079,050.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,405,307.38 : 531,605,730.32 = 190,720,167.18 : x
  2. Step 2: Convert to fraction form
    354,405,307.38/531,605,730.32 = 190,720,167.18/x
  3. Step 3: Cross multiply
    354,405,307.38x = 531,605,730.32 × 190,720,167.18
  4. Step 4: Simplify right side
    354,405,307.38x = 101,387,933,760,476,400
  5. Step 5: Solve for x
    x = 101,387,933,760,476,400/354,405,307.38
  6. Step 6: Final answer
    x = 286,079,050.31

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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.