Home / 100,645,670.78-150,771,208.37-52,155,333.03

Finding the Fourth Proportional to 100,645,670.78, 150,771,208.37 and 52,155,333.03

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Solution

The fourth proportional to 100,645,670.78, 150,771,208.37 and 52,155,333.03 is: 78,130,758.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,645,670.78 : 150,771,208.37 = 52,155,333.03 : x
  2. Step 2: Convert to fraction form
    100,645,670.78/150,771,208.37 = 52,155,333.03/x
  3. Step 3: Cross multiply
    100,645,670.78x = 150,771,208.37 × 52,155,333.03
  4. Step 4: Simplify right side
    100,645,670.78x = 7,863,522,583,612,097
  5. Step 5: Solve for x
    x = 7,863,522,583,612,097/100,645,670.78
  6. Step 6: Final answer
    x = 78,130,758.36

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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.