Home / 100,512,912.15-150,769,368.23-43,010,995.95

Finding the Fourth Proportional to 100,512,912.15, 150,769,368.23 and 43,010,995.95

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Solution

The fourth proportional to 100,512,912.15, 150,769,368.23 and 43,010,995.95 is: 64,516,493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,512,912.15 : 150,769,368.23 = 43,010,995.95 : x
  2. Step 2: Convert to fraction form
    100,512,912.15/150,769,368.23 = 43,010,995.95/x
  3. Step 3: Cross multiply
    100,512,912.15x = 150,769,368.23 × 43,010,995.95
  4. Step 4: Simplify right side
    100,512,912.15x = 6,484,740,686,109,534
  5. Step 5: Solve for x
    x = 6,484,740,686,109,534/100,512,912.15
  6. Step 6: Final answer
    x = 64,516,493.93

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1.5x scale

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.