Home / 258,973,542.40-388,460,313.60-177,344,204.80

Finding the Fourth Proportional to 258,973,542.40, 388,460,313.60 and 177,344,204.80

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Solution

The fourth proportional to 258,973,542.40, 388,460,313.60 and 177,344,204.80 is: 266,016,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,973,542.40 : 388,460,313.60 = 177,344,204.80 : x
  2. Step 2: Convert to fraction form
    258,973,542.40/388,460,313.60 = 177,344,204.80/x
  3. Step 3: Cross multiply
    258,973,542.40x = 388,460,313.60 × 177,344,204.80
  4. Step 4: Simplify right side
    258,973,542.40x = 68,891,185,411,750,632
  5. Step 5: Solve for x
    x = 68,891,185,411,750,632/258,973,542.40
  6. Step 6: Final answer
    x = 266,016,307.20

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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.