Home / 101,033,905.95-151,550,858.93-68,748,865.20

Finding the Fourth Proportional to 101,033,905.95, 151,550,858.93 and 68,748,865.20

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Solution

The fourth proportional to 101,033,905.95, 151,550,858.93 and 68,748,865.20 is: 103,123,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,033,905.95 : 151,550,858.93 = 68,748,865.20 : x
  2. Step 2: Convert to fraction form
    101,033,905.95/151,550,858.93 = 68,748,865.20/x
  3. Step 3: Cross multiply
    101,033,905.95x = 151,550,858.93 × 68,748,865.20
  4. Step 4: Simplify right side
    101,033,905.95x = 10,418,949,571,522,788
  5. Step 5: Solve for x
    x = 10,418,949,571,522,788/101,033,905.95
  6. Step 6: Final answer
    x = 103,123,297.80

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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.