Home / 73,065,868.79-100,831,017.99-40,025,392.67

Finding the Fourth Proportional to 73,065,868.79, 100,831,017.99 and 40,025,392.67

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Solution

The fourth proportional to 73,065,868.79, 100,831,017.99 and 40,025,392.67 is: 55,235,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,065,868.79 : 100,831,017.99 = 40,025,392.67 : x
  2. Step 2: Convert to fraction form
    73,065,868.79/100,831,017.99 = 40,025,392.67/x
  3. Step 3: Cross multiply
    73,065,868.79x = 100,831,017.99 × 40,025,392.67
  4. Step 4: Simplify right side
    73,065,868.79x = 4,035,801,087,861,428.50
  5. Step 5: Solve for x
    x = 4,035,801,087,861,428.50/73,065,868.79
  6. Step 6: Final answer
    x = 55,235,107.10

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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.