Home / 132,028,840.40-198,114,119.40-55,359,618.80

Finding the Fourth Proportional to 132,028,840.40, 198,114,119.40 and 55,359,618.80

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Solution

The fourth proportional to 132,028,840.40, 198,114,119.40 and 55,359,618.80 is: 83,069,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,028,840.40 : 198,114,119.40 = 55,359,618.80 : x
  2. Step 2: Convert to fraction form
    132,028,840.40/198,114,119.40 = 55,359,618.80/x
  3. Step 3: Cross multiply
    132,028,840.40x = 198,114,119.40 × 55,359,618.80
  4. Step 4: Simplify right side
    132,028,840.40x = 10,967,522,128,881,684
  5. Step 5: Solve for x
    x = 10,967,522,128,881,684/132,028,840.40
  6. Step 6: Final answer
    x = 83,069,139.26

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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.