Home / 157,628,114.19-236,350,696.04-74,629,169.89

Finding the Fourth Proportional to 157,628,114.19, 236,350,696.04 and 74,629,169.89

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Solution

The fourth proportional to 157,628,114.19, 236,350,696.04 and 74,629,169.89 is: 111,900,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,628,114.19 : 236,350,696.04 = 74,629,169.89 : x
  2. Step 2: Convert to fraction form
    157,628,114.19/236,350,696.04 = 74,629,169.89/x
  3. Step 3: Cross multiply
    157,628,114.19x = 236,350,696.04 × 74,629,169.89
  4. Step 4: Simplify right side
    157,628,114.19x = 17,638,656,248,142,048
  5. Step 5: Solve for x
    x = 17,638,656,248,142,048/157,628,114.19
  6. Step 6: Final answer
    x = 111,900,445.80

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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.