Home / 124,017,211.31-171,142,393.46-68,261,439.65

Finding the Fourth Proportional to 124,017,211.31, 171,142,393.46 and 68,261,439.65

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Solution

The fourth proportional to 124,017,211.31, 171,142,393.46 and 68,261,439.65 is: 94,200,039.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,017,211.31 : 171,142,393.46 = 68,261,439.65 : x
  2. Step 2: Convert to fraction form
    124,017,211.31/171,142,393.46 = 68,261,439.65/x
  3. Step 3: Cross multiply
    124,017,211.31x = 171,142,393.46 × 68,261,439.65
  4. Step 4: Simplify right side
    124,017,211.31x = 11,682,426,161,529,326
  5. Step 5: Solve for x
    x = 11,682,426,161,529,326/124,017,211.31
  6. Step 6: Final answer
    x = 94,200,039.16

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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.