Home / 109,362,326.58-150,848,899.09-70,141,980.78

Finding the Fourth Proportional to 109,362,326.58, 150,848,899.09 and 70,141,980.78

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Solution

The fourth proportional to 109,362,326.58, 150,848,899.09 and 70,141,980.78 is: 96,750,324.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,362,326.58 : 150,848,899.09 = 70,141,980.78 : x
  2. Step 2: Convert to fraction form
    109,362,326.58/150,848,899.09 = 70,141,980.78/x
  3. Step 3: Cross multiply
    109,362,326.58x = 150,848,899.09 × 70,141,980.78
  4. Step 4: Simplify right side
    109,362,326.58x = 10,580,840,580,479,586
  5. Step 5: Solve for x
    x = 10,580,840,580,479,586/109,362,326.58
  6. Step 6: Final answer
    x = 96,750,324.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.