Home / 70,777,972.36-106,172,984.09-21,604,870.60

Finding the Fourth Proportional to 70,777,972.36, 106,172,984.09 and 21,604,870.60

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Solution

The fourth proportional to 70,777,972.36, 106,172,984.09 and 21,604,870.60 is: 32,409,145.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,777,972.36 : 106,172,984.09 = 21,604,870.60 : x
  2. Step 2: Convert to fraction form
    70,777,972.36/106,172,984.09 = 21,604,870.60/x
  3. Step 3: Cross multiply
    70,777,972.36x = 106,172,984.09 × 21,604,870.60
  4. Step 4: Simplify right side
    70,777,972.36x = 2,293,853,582,480,309
  5. Step 5: Solve for x
    x = 2,293,853,582,480,309/70,777,972.36
  6. Step 6: Final answer
    x = 32,409,145.19

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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.