Home / 68,692,293.32-94,796,471.22-39,323,507.72

Finding the Fourth Proportional to 68,692,293.32, 94,796,471.22 and 39,323,507.72

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Solution

The fourth proportional to 68,692,293.32, 94,796,471.22 and 39,323,507.72 is: 54,267,074.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,692,293.32 : 94,796,471.22 = 39,323,507.72 : x
  2. Step 2: Convert to fraction form
    68,692,293.32/94,796,471.22 = 39,323,507.72/x
  3. Step 3: Cross multiply
    68,692,293.32x = 94,796,471.22 × 39,323,507.72
  4. Step 4: Simplify right side
    68,692,293.32x = 3,727,729,767,848,427.50
  5. Step 5: Solve for x
    x = 3,727,729,767,848,427.50/68,692,293.32
  6. Step 6: Final answer
    x = 54,267,074.04

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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.