Home / 54,653,753.84-81,994,985.78-19,642,401.68

Finding the Fourth Proportional to 54,653,753.84, 81,994,985.78 and 19,642,401.68

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Solution

The fourth proportional to 54,653,753.84, 81,994,985.78 and 19,642,401.68 is: 29,468,761.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,653,753.84 : 81,994,985.78 = 19,642,401.68 : x
  2. Step 2: Convert to fraction form
    54,653,753.84/81,994,985.78 = 19,642,401.68/x
  3. Step 3: Cross multiply
    54,653,753.84x = 81,994,985.78 × 19,642,401.68
  4. Step 4: Simplify right side
    54,653,753.84x = 1,610,578,445,928,461.25
  5. Step 5: Solve for x
    x = 1,610,578,445,928,461.25/54,653,753.84
  6. Step 6: Final answer
    x = 29,468,761.67

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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.