Home / 258,554,136.90-387,831,205.35-258,554,136.90

Finding the Fourth Proportional to 258,554,136.90, 387,831,205.35 and 258,554,136.90

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Solution

The fourth proportional to 258,554,136.90, 387,831,205.35 and 258,554,136.90 is: 387,831,205.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,554,136.90 : 387,831,205.35 = 258,554,136.90 : x
  2. Step 2: Convert to fraction form
    258,554,136.90/387,831,205.35 = 258,554,136.90/x
  3. Step 3: Cross multiply
    258,554,136.90x = 387,831,205.35 × 258,554,136.90
  4. Step 4: Simplify right side
    258,554,136.90x = 100,275,362,562,155,920
  5. Step 5: Solve for x
    x = 100,275,362,562,155,920/258,554,136.90
  6. Step 6: Final answer
    x = 387,831,205.35

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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.