Home / 196,372,390.50-294,560,061.98-87,168,203.26

Finding the Fourth Proportional to 196,372,390.50, 294,560,061.98 and 87,168,203.26

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Solution

The fourth proportional to 196,372,390.50, 294,560,061.98 and 87,168,203.26 is: 130,752,960.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,372,390.50 : 294,560,061.98 = 87,168,203.26 : x
  2. Step 2: Convert to fraction form
    196,372,390.50/294,560,061.98 = 87,168,203.26/x
  3. Step 3: Cross multiply
    196,372,390.50x = 294,560,061.98 × 87,168,203.26
  4. Step 4: Simplify right side
    196,372,390.50x = 25,676,271,353,778,596
  5. Step 5: Solve for x
    x = 25,676,271,353,778,596/196,372,390.50
  6. Step 6: Final answer
    x = 130,752,960.17

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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.