Home / 157,494,822.80-217,424,574.60-115,060,792.58

Finding the Fourth Proportional to 157,494,822.80, 217,424,574.60 and 115,060,792.58

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Solution

The fourth proportional to 157,494,822.80, 217,424,574.60 and 115,060,792.58 is: 158,843,595.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,494,822.80 : 217,424,574.60 = 115,060,792.58 : x
  2. Step 2: Convert to fraction form
    157,494,822.80/217,424,574.60 = 115,060,792.58/x
  3. Step 3: Cross multiply
    157,494,822.80x = 217,424,574.60 × 115,060,792.58
  4. Step 4: Simplify right side
    157,494,822.80x = 25,017,043,879,142,076
  5. Step 5: Solve for x
    x = 25,017,043,879,142,076/157,494,822.80
  6. Step 6: Final answer
    x = 158,843,595.21

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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.