Home / 101,033,980.20-151,550,970.30-68,748,939.45

Finding the Fourth Proportional to 101,033,980.20, 151,550,970.30 and 68,748,939.45

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Solution

The fourth proportional to 101,033,980.20, 151,550,970.30 and 68,748,939.45 is: 103,123,409.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,033,980.20 : 151,550,970.30 = 68,748,939.45 : x
  2. Step 2: Convert to fraction form
    101,033,980.20/151,550,970.30 = 68,748,939.45/x
  3. Step 3: Cross multiply
    101,033,980.20x = 151,550,970.30 × 68,748,939.45
  4. Step 4: Simplify right side
    101,033,980.20x = 10,418,968,480,743,450
  5. Step 5: Solve for x
    x = 10,418,968,480,743,450/101,033,980.20
  6. Step 6: Final answer
    x = 103,123,409.18

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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.