Home / 149,338,136.53-206,085,892.26-86,626,917.55

Finding the Fourth Proportional to 149,338,136.53, 206,085,892.26 and 86,626,917.55

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Solution

The fourth proportional to 149,338,136.53, 206,085,892.26 and 86,626,917.55 is: 119,544,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,338,136.53 : 206,085,892.26 = 86,626,917.55 : x
  2. Step 2: Convert to fraction form
    149,338,136.53/206,085,892.26 = 86,626,917.55/x
  3. Step 3: Cross multiply
    149,338,136.53x = 206,085,892.26 × 86,626,917.55
  4. Step 4: Simplify right side
    149,338,136.53x = 17,852,585,596,509,988
  5. Step 5: Solve for x
    x = 17,852,585,596,509,988/149,338,136.53
  6. Step 6: Final answer
    x = 119,544,719.20

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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.