Home / 85,066,138.53-127,621,914.47-30,484,241.55

Finding the Fourth Proportional to 85,066,138.53, 127,621,914.47 and 30,484,241.55

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Solution

The fourth proportional to 85,066,138.53, 127,621,914.47 and 30,484,241.55 is: 45,734,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,066,138.53 : 127,621,914.47 = 30,484,241.55 : x
  2. Step 2: Convert to fraction form
    85,066,138.53/127,621,914.47 = 30,484,241.55/x
  3. Step 3: Cross multiply
    85,066,138.53x = 127,621,914.47 × 30,484,241.55
  4. Step 4: Simplify right side
    85,066,138.53x = 3,890,457,267,624,499
  5. Step 5: Solve for x
    x = 3,890,457,267,624,499/85,066,138.53
  6. Step 6: Final answer
    x = 45,734,499.47

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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.