Home / 105,902,690.78-146,118,571.51-61,824,360.74

Finding the Fourth Proportional to 105,902,690.78, 146,118,571.51 and 61,824,360.74

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Solution

The fourth proportional to 105,902,690.78, 146,118,571.51 and 61,824,360.74 is: 85,301,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,902,690.78 : 146,118,571.51 = 61,824,360.74 : x
  2. Step 2: Convert to fraction form
    105,902,690.78/146,118,571.51 = 61,824,360.74/x
  3. Step 3: Cross multiply
    105,902,690.78x = 146,118,571.51 × 61,824,360.74
  4. Step 4: Simplify right side
    105,902,690.78x = 9,033,687,275,847,726
  5. Step 5: Solve for x
    x = 9,033,687,275,847,726/105,902,690.78
  6. Step 6: Final answer
    x = 85,301,772.88

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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.