Home / 70,819,102.08-106,228,842.36-19,701,126.36

Finding the Fourth Proportional to 70,819,102.08, 106,228,842.36 and 19,701,126.36

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Solution

The fourth proportional to 70,819,102.08, 106,228,842.36 and 19,701,126.36 is: 29,551,742.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,819,102.08 : 106,228,842.36 = 19,701,126.36 : x
  2. Step 2: Convert to fraction form
    70,819,102.08/106,228,842.36 = 19,701,126.36/x
  3. Step 3: Cross multiply
    70,819,102.08x = 106,228,842.36 × 19,701,126.36
  4. Step 4: Simplify right side
    70,819,102.08x = 2,092,827,846,410,880.50
  5. Step 5: Solve for x
    x = 2,092,827,846,410,880.50/70,819,102.08
  6. Step 6: Final answer
    x = 29,551,742.18

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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.