Home / 186,631,239.40-279,946,859.10-73,163,847.40

Finding the Fourth Proportional to 186,631,239.40, 279,946,859.10 and 73,163,847.40

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Solution

The fourth proportional to 186,631,239.40, 279,946,859.10 and 73,163,847.40 is: 109,745,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,631,239.40 : 279,946,859.10 = 73,163,847.40 : x
  2. Step 2: Convert to fraction form
    186,631,239.40/279,946,859.10 = 73,163,847.40/x
  3. Step 3: Cross multiply
    186,631,239.40x = 279,946,859.10 × 73,163,847.40
  4. Step 4: Simplify right side
    186,631,239.40x = 20,481,989,279,301,704
  5. Step 5: Solve for x
    x = 20,481,989,279,301,704/186,631,239.40
  6. Step 6: Final answer
    x = 109,745,771.10

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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.