Home / 97,089,888.42-133,988,118.57-55,836,813.78

Finding the Fourth Proportional to 97,089,888.42, 133,988,118.57 and 55,836,813.78

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Solution

The fourth proportional to 97,089,888.42, 133,988,118.57 and 55,836,813.78 is: 77,057,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,089,888.42 : 133,988,118.57 = 55,836,813.78 : x
  2. Step 2: Convert to fraction form
    97,089,888.42/133,988,118.57 = 55,836,813.78/x
  3. Step 3: Cross multiply
    97,089,888.42x = 133,988,118.57 × 55,836,813.78
  4. Step 4: Simplify right side
    97,089,888.42x = 7,481,469,625,325,650
  5. Step 5: Solve for x
    x = 7,481,469,625,325,650/97,089,888.42
  6. Step 6: Final answer
    x = 77,057,145.16

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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.