Home / 258,370,591.20-387,117,166.80-155,919,352.80

Finding the Fourth Proportional to 258,370,591.20, 387,117,166.80 and 155,919,352.80

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Solution

The fourth proportional to 258,370,591.20, 387,117,166.80 and 155,919,352.80 is: 233,614,274.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,370,591.20 : 387,117,166.80 = 155,919,352.80 : x
  2. Step 2: Convert to fraction form
    258,370,591.20/387,117,166.80 = 155,919,352.80/x
  3. Step 3: Cross multiply
    258,370,591.20x = 387,117,166.80 × 155,919,352.80
  4. Step 4: Simplify right side
    258,370,591.20x = 60,359,058,105,225,656
  5. Step 5: Solve for x
    x = 60,359,058,105,225,656/258,370,591.20
  6. Step 6: Final answer
    x = 233,614,274.07

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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.