Home / 72,255,900.42-108,359,554.32-26,188,126.20

Finding the Fourth Proportional to 72,255,900.42, 108,359,554.32 and 26,188,126.20

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Solution

The fourth proportional to 72,255,900.42, 108,359,554.32 and 26,188,126.20 is: 39,273,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,255,900.42 : 108,359,554.32 = 26,188,126.20 : x
  2. Step 2: Convert to fraction form
    72,255,900.42/108,359,554.32 = 26,188,126.20/x
  3. Step 3: Cross multiply
    72,255,900.42x = 108,359,554.32 × 26,188,126.20
  4. Step 4: Simplify right side
    72,255,900.42x = 2,837,733,683,507,915
  5. Step 5: Solve for x
    x = 2,837,733,683,507,915/72,255,900.42
  6. Step 6: Final answer
    x = 39,273,383.45

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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.