Home / 149,286,023.10-206,015,668.20-83,210,711.22

Finding the Fourth Proportional to 149,286,023.10, 206,015,668.20 and 83,210,711.22

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Solution

The fourth proportional to 149,286,023.10, 206,015,668.20 and 83,210,711.22 is: 114,831,314.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,286,023.10 : 206,015,668.20 = 83,210,711.22 : x
  2. Step 2: Convert to fraction form
    149,286,023.10/206,015,668.20 = 83,210,711.22/x
  3. Step 3: Cross multiply
    149,286,023.10x = 206,015,668.20 × 83,210,711.22
  4. Step 4: Simplify right side
    149,286,023.10x = 17,142,710,273,385,536
  5. Step 5: Solve for x
    x = 17,142,710,273,385,536/149,286,023.10
  6. Step 6: Final answer
    x = 114,831,314.53

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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.