Home / 120,840,500.56-166,754,095.32-68,622,638.80

Finding the Fourth Proportional to 120,840,500.56, 166,754,095.32 and 68,622,638.80

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Solution

The fourth proportional to 120,840,500.56, 166,754,095.32 and 68,622,638.80 is: 94,695,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,840,500.56 : 166,754,095.32 = 68,622,638.80 : x
  2. Step 2: Convert to fraction form
    120,840,500.56/166,754,095.32 = 68,622,638.80/x
  3. Step 3: Cross multiply
    120,840,500.56x = 166,754,095.32 × 68,622,638.80
  4. Step 4: Simplify right side
    120,840,500.56x = 11,443,106,051,565,130
  5. Step 5: Solve for x
    x = 11,443,106,051,565,130/120,840,500.56
  6. Step 6: Final answer
    x = 94,695,950.43

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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.