Home / 367,905,258.66-551,652,630.87-122,128,419.78

Finding the Fourth Proportional to 367,905,258.66, 551,652,630.87 and 122,128,419.78

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Solution

The fourth proportional to 367,905,258.66, 551,652,630.87 and 122,128,419.78 is: 183,124,493.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,905,258.66 : 551,652,630.87 = 122,128,419.78 : x
  2. Step 2: Convert to fraction form
    367,905,258.66/551,652,630.87 = 122,128,419.78/x
  3. Step 3: Cross multiply
    367,905,258.66x = 551,652,630.87 × 122,128,419.78
  4. Step 4: Simplify right side
    367,905,258.66x = 67,372,464,075,632,744
  5. Step 5: Solve for x
    x = 67,372,464,075,632,744/367,905,258.66
  6. Step 6: Final answer
    x = 183,124,493.30

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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.