Home / 163,642,940.70-245,437,622.73-66,594,728.22

Finding the Fourth Proportional to 163,642,940.70, 245,437,622.73 and 66,594,728.22

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Solution

The fourth proportional to 163,642,940.70, 245,437,622.73 and 66,594,728.22 is: 99,881,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,642,940.70 : 245,437,622.73 = 66,594,728.22 : x
  2. Step 2: Convert to fraction form
    163,642,940.70/245,437,622.73 = 66,594,728.22/x
  3. Step 3: Cross multiply
    163,642,940.70x = 245,437,622.73 × 66,594,728.22
  4. Step 4: Simplify right side
    163,642,940.70x = 16,344,851,780,667,244
  5. Step 5: Solve for x
    x = 16,344,851,780,667,244/163,642,940.70
  6. Step 6: Final answer
    x = 99,881,190.78

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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.