Home / 221,971,054.50-332,988,484.62-68,629,068.36

Finding the Fourth Proportional to 221,971,054.50, 332,988,484.62 and 68,629,068.36

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Solution

The fourth proportional to 221,971,054.50, 332,988,484.62 and 68,629,068.36 is: 102,953,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,971,054.50 : 332,988,484.62 = 68,629,068.36 : x
  2. Step 2: Convert to fraction form
    221,971,054.50/332,988,484.62 = 68,629,068.36/x
  3. Step 3: Cross multiply
    221,971,054.50x = 332,988,484.62 × 68,629,068.36
  4. Step 4: Simplify right side
    221,971,054.50x = 22,852,689,474,078,788
  5. Step 5: Solve for x
    x = 22,852,689,474,078,788/221,971,054.50
  6. Step 6: Final answer
    x = 102,953,466.28

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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.