Home / 74,652,664.50-112,023,086.67-31,519,075.86

Finding the Fourth Proportional to 74,652,664.50, 112,023,086.67 and 31,519,075.86

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Solution

The fourth proportional to 74,652,664.50, 112,023,086.67 and 31,519,075.86 is: 47,297,228.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,652,664.50 : 112,023,086.67 = 31,519,075.86 : x
  2. Step 2: Convert to fraction form
    74,652,664.50/112,023,086.67 = 31,519,075.86/x
  3. Step 3: Cross multiply
    74,652,664.50x = 112,023,086.67 × 31,519,075.86
  4. Step 4: Simplify right side
    74,652,664.50x = 3,530,864,166,823,085
  5. Step 5: Solve for x
    x = 3,530,864,166,823,085/74,652,664.50
  6. Step 6: Final answer
    x = 47,297,228.98

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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.