Home / 308,683,336.80-425,967,361.20-183,240,894.72

Finding the Fourth Proportional to 308,683,336.80, 425,967,361.20 and 183,240,894.72

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Solution

The fourth proportional to 308,683,336.80, 425,967,361.20 and 183,240,894.72 is: 252,863,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,683,336.80 : 425,967,361.20 = 183,240,894.72 : x
  2. Step 2: Convert to fraction form
    308,683,336.80/425,967,361.20 = 183,240,894.72/x
  3. Step 3: Cross multiply
    308,683,336.80x = 425,967,361.20 × 183,240,894.72
  4. Step 4: Simplify right side
    308,683,336.80x = 78,054,640,387,805,408
  5. Step 5: Solve for x
    x = 78,054,640,387,805,408/308,683,336.80
  6. Step 6: Final answer
    x = 252,863,148.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.