Home / 199,470,703.20-299,430,003.60-154,233,045.60

Finding the Fourth Proportional to 199,470,703.20, 299,430,003.60 and 154,233,045.60

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Solution

The fourth proportional to 199,470,703.20, 299,430,003.60 and 154,233,045.60 is: 231,522,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,470,703.20 : 299,430,003.60 = 154,233,045.60 : x
  2. Step 2: Convert to fraction form
    199,470,703.20/299,430,003.60 = 154,233,045.60/x
  3. Step 3: Cross multiply
    199,470,703.20x = 299,430,003.60 × 154,233,045.60
  4. Step 4: Simplify right side
    199,470,703.20x = 46,182,001,399,246,968
  5. Step 5: Solve for x
    x = 46,182,001,399,246,968/199,470,703.20
  6. Step 6: Final answer
    x = 231,522,728.19

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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.