Home / 92,783,117.70-138,891,241.35-72,375,783.30

Finding the Fourth Proportional to 92,783,117.70, 138,891,241.35 and 72,375,783.30

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Solution

The fourth proportional to 92,783,117.70, 138,891,241.35 and 72,375,783.30 is: 108,342,580.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,783,117.70 : 138,891,241.35 = 72,375,783.30 : x
  2. Step 2: Convert to fraction form
    92,783,117.70/138,891,241.35 = 72,375,783.30/x
  3. Step 3: Cross multiply
    92,783,117.70x = 138,891,241.35 × 72,375,783.30
  4. Step 4: Simplify right side
    92,783,117.70x = 10,052,362,386,215,598
  5. Step 5: Solve for x
    x = 10,052,362,386,215,598/92,783,117.70
  6. Step 6: Final answer
    x = 108,342,580.37

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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.