Home / 76,374,686.24-114,636,015.94-72,226,955.30

Finding the Fourth Proportional to 76,374,686.24, 114,636,015.94 and 72,226,955.30

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Solution

The fourth proportional to 76,374,686.24, 114,636,015.94 and 72,226,955.30 is: 108,410,401.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,374,686.24 : 114,636,015.94 = 72,226,955.30 : x
  2. Step 2: Convert to fraction form
    76,374,686.24/114,636,015.94 = 72,226,955.30/x
  3. Step 3: Cross multiply
    76,374,686.24x = 114,636,015.94 × 72,226,955.30
  4. Step 4: Simplify right side
    76,374,686.24x = 8,279,810,399,068,467
  5. Step 5: Solve for x
    x = 8,279,810,399,068,467/76,374,686.24
  6. Step 6: Final answer
    x = 108,410,401.49

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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.