Home / 245,152,131.93-338,312,224.13-135,147,781.53

Finding the Fourth Proportional to 245,152,131.93, 338,312,224.13 and 135,147,781.53

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Solution

The fourth proportional to 245,152,131.93, 338,312,224.13 and 135,147,781.53 is: 186,505,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,152,131.93 : 338,312,224.13 = 135,147,781.53 : x
  2. Step 2: Convert to fraction form
    245,152,131.93/338,312,224.13 = 135,147,781.53/x
  3. Step 3: Cross multiply
    245,152,131.93x = 338,312,224.13 × 135,147,781.53
  4. Step 4: Simplify right side
    245,152,131.93x = 45,722,146,554,973,896
  5. Step 5: Solve for x
    x = 45,722,146,554,973,896/245,152,131.93
  6. Step 6: Final answer
    x = 186,505,196.57

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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.