Home / 66,818,941.58-100,230,485.97-31,796,381.90

Finding the Fourth Proportional to 66,818,941.58, 100,230,485.97 and 31,796,381.90

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Solution

The fourth proportional to 66,818,941.58, 100,230,485.97 and 31,796,381.90 is: 47,695,559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,818,941.58 : 100,230,485.97 = 31,796,381.90 : x
  2. Step 2: Convert to fraction form
    66,818,941.58/100,230,485.97 = 31,796,381.90/x
  3. Step 3: Cross multiply
    66,818,941.58x = 100,230,485.97 × 31,796,381.90
  4. Step 4: Simplify right side
    66,818,941.58x = 3,186,966,809,924,712
  5. Step 5: Solve for x
    x = 3,186,966,809,924,712/66,818,941.58
  6. Step 6: Final answer
    x = 47,695,559.59

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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.