Home / 70,777,972.37-106,172,984.09-21,604,870.59

Finding the Fourth Proportional to 70,777,972.37, 106,172,984.09 and 21,604,870.59

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Solution

The fourth proportional to 70,777,972.37, 106,172,984.09 and 21,604,870.59 is: 32,409,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,777,972.37 : 106,172,984.09 = 21,604,870.59 : x
  2. Step 2: Convert to fraction form
    70,777,972.37/106,172,984.09 = 21,604,870.59/x
  3. Step 3: Cross multiply
    70,777,972.37x = 106,172,984.09 × 21,604,870.59
  4. Step 4: Simplify right side
    70,777,972.37x = 2,293,853,581,310,554.50
  5. Step 5: Solve for x
    x = 2,293,853,581,310,554.50/70,777,972.37
  6. Step 6: Final answer
    x = 32,409,145.17

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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.