Home / 70,492,659.67-105,721,048.81-21,961,467.55

Finding the Fourth Proportional to 70,492,659.67, 105,721,048.81 and 21,961,467.55

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Solution

The fourth proportional to 70,492,659.67, 105,721,048.81 and 21,961,467.55 is: 32,936,612.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,492,659.67 : 105,721,048.81 = 21,961,467.55 : x
  2. Step 2: Convert to fraction form
    70,492,659.67/105,721,048.81 = 21,961,467.55/x
  3. Step 3: Cross multiply
    70,492,659.67x = 105,721,048.81 × 21,961,467.55
  4. Step 4: Simplify right side
    70,492,659.67x = 2,321,789,382,792,781
  5. Step 5: Solve for x
    x = 2,321,789,382,792,781/70,492,659.67
  6. Step 6: Final answer
    x = 32,936,612.03

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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.