Home / 70,645,604.10-105,973,450.69-18,829,935.33

Finding the Fourth Proportional to 70,645,604.10, 105,973,450.69 and 18,829,935.33

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Solution

The fourth proportional to 70,645,604.10, 105,973,450.69 and 18,829,935.33 is: 28,246,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,645,604.10 : 105,973,450.69 = 18,829,935.33 : x
  2. Step 2: Convert to fraction form
    70,645,604.10/105,973,450.69 = 18,829,935.33/x
  3. Step 3: Cross multiply
    70,645,604.10x = 105,973,450.69 × 18,829,935.33
  4. Step 4: Simplify right side
    70,645,604.10x = 1,995,473,223,539,969.25
  5. Step 5: Solve for x
    x = 1,995,473,223,539,969.25/70,645,604.10
  6. Step 6: Final answer
    x = 28,246,247.58

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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.