Home / 74,015,254.08-102,151,739.52-42,647,297.76

Finding the Fourth Proportional to 74,015,254.08, 102,151,739.52 and 42,647,297.76

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Solution

The fourth proportional to 74,015,254.08, 102,151,739.52 and 42,647,297.76 is: 58,859,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,015,254.08 : 102,151,739.52 = 42,647,297.76 : x
  2. Step 2: Convert to fraction form
    74,015,254.08/102,151,739.52 = 42,647,297.76/x
  3. Step 3: Cross multiply
    74,015,254.08x = 102,151,739.52 × 42,647,297.76
  4. Step 4: Simplify right side
    74,015,254.08x = 4,356,495,652,011,399
  5. Step 5: Solve for x
    x = 4,356,495,652,011,399/74,015,254.08
  6. Step 6: Final answer
    x = 58,859,429.80

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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.