Home / 258,973,038.80-388,397,350.20-149,561,608.40

Finding the Fourth Proportional to 258,973,038.80, 388,397,350.20 and 149,561,608.40

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Solution

The fourth proportional to 258,973,038.80, 388,397,350.20 and 149,561,608.40 is: 224,306,486.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,973,038.80 : 388,397,350.20 = 149,561,608.40 : x
  2. Step 2: Convert to fraction form
    258,973,038.80/388,397,350.20 = 149,561,608.40/x
  3. Step 3: Cross multiply
    258,973,038.80x = 388,397,350.20 × 149,561,608.40
  4. Step 4: Simplify right side
    258,973,038.80x = 58,089,332,394,210,064
  5. Step 5: Solve for x
    x = 58,089,332,394,210,064/258,973,038.80
  6. Step 6: Final answer
    x = 224,306,486.36

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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.