Home / 100,653,940.04-138,899,623.62-60,984,957.35

Finding the Fourth Proportional to 100,653,940.04, 138,899,623.62 and 60,984,957.35

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Solution

The fourth proportional to 100,653,940.04, 138,899,623.62 and 60,984,957.35 is: 84,157,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,653,940.04 : 138,899,623.62 = 60,984,957.35 : x
  2. Step 2: Convert to fraction form
    100,653,940.04/138,899,623.62 = 60,984,957.35/x
  3. Step 3: Cross multiply
    100,653,940.04x = 138,899,623.62 × 60,984,957.35
  4. Step 4: Simplify right side
    100,653,940.04x = 8,470,787,622,744,002
  5. Step 5: Solve for x
    x = 8,470,787,622,744,002/100,653,940.04
  6. Step 6: Final answer
    x = 84,157,536.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.