Home / 213,241,911.48-319,862,870.85-51,683,847.48

Finding the Fourth Proportional to 213,241,911.48, 319,862,870.85 and 51,683,847.48

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Solution

The fourth proportional to 213,241,911.48, 319,862,870.85 and 51,683,847.48 is: 77,525,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,241,911.48 : 319,862,870.85 = 51,683,847.48 : x
  2. Step 2: Convert to fraction form
    213,241,911.48/319,862,870.85 = 51,683,847.48/x
  3. Step 3: Cross multiply
    213,241,911.48x = 319,862,870.85 × 51,683,847.48
  4. Step 4: Simplify right side
    213,241,911.48x = 16,531,743,831,526,338
  5. Step 5: Solve for x
    x = 16,531,743,831,526,338/213,241,911.48
  6. Step 6: Final answer
    x = 77,525,772.10

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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.