Home / 76,622,809.98-114,834,410.01-31,131,421.50

Finding the Fourth Proportional to 76,622,809.98, 114,834,410.01 and 31,131,421.50

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Solution

The fourth proportional to 76,622,809.98, 114,834,410.01 and 31,131,421.50 is: 46,656,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,622,809.98 : 114,834,410.01 = 31,131,421.50 : x
  2. Step 2: Convert to fraction form
    76,622,809.98/114,834,410.01 = 31,131,421.50/x
  3. Step 3: Cross multiply
    76,622,809.98x = 114,834,410.01 × 31,131,421.50
  4. Step 4: Simplify right side
    76,622,809.98x = 3,574,958,420,725,129.50
  5. Step 5: Solve for x
    x = 3,574,958,420,725,129.50/76,622,809.98
  6. Step 6: Final answer
    x = 46,656,582.05

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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.