Home / 98,438,627.55-147,689,485.34-68,925,560.25

Finding the Fourth Proportional to 98,438,627.55, 147,689,485.34 and 68,925,560.25

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Solution

The fourth proportional to 98,438,627.55, 147,689,485.34 and 68,925,560.25 is: 103,410,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,438,627.55 : 147,689,485.34 = 68,925,560.25 : x
  2. Step 2: Convert to fraction form
    98,438,627.55/147,689,485.34 = 68,925,560.25/x
  3. Step 3: Cross multiply
    98,438,627.55x = 147,689,485.34 × 68,925,560.25
  4. Step 4: Simplify right side
    98,438,627.55x = 10,179,580,520,093,662
  5. Step 5: Solve for x
    x = 10,179,580,520,093,662/98,438,627.55
  6. Step 6: Final answer
    x = 103,410,427.12

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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.