Home / 147,258,097.20-220,887,145.80-50,205,160.80

Finding the Fourth Proportional to 147,258,097.20, 220,887,145.80 and 50,205,160.80

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Solution

The fourth proportional to 147,258,097.20, 220,887,145.80 and 50,205,160.80 is: 75,307,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,258,097.20 : 220,887,145.80 = 50,205,160.80 : x
  2. Step 2: Convert to fraction form
    147,258,097.20/220,887,145.80 = 50,205,160.80/x
  3. Step 3: Cross multiply
    147,258,097.20x = 220,887,145.80 × 50,205,160.80
  4. Step 4: Simplify right side
    147,258,097.20x = 11,089,674,673,542,044
  5. Step 5: Solve for x
    x = 11,089,674,673,542,044/147,258,097.20
  6. Step 6: Final answer
    x = 75,307,741.20

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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.