Home / 101,033,915.45-151,550,873.18-68,748,874.70

Finding the Fourth Proportional to 101,033,915.45, 151,550,873.18 and 68,748,874.70

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Solution

The fourth proportional to 101,033,915.45, 151,550,873.18 and 68,748,874.70 is: 103,123,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,033,915.45 : 151,550,873.18 = 68,748,874.70 : x
  2. Step 2: Convert to fraction form
    101,033,915.45/151,550,873.18 = 68,748,874.70/x
  3. Step 3: Cross multiply
    101,033,915.45x = 151,550,873.18 × 68,748,874.70
  4. Step 4: Simplify right side
    101,033,915.45x = 10,418,951,990,927,412
  5. Step 5: Solve for x
    x = 10,418,951,990,927,412/101,033,915.45
  6. Step 6: Final answer
    x = 103,123,312.05

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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.