Home / 219,916,185.54-329,916,706.11-83,590,911.06

Finding the Fourth Proportional to 219,916,185.54, 329,916,706.11 and 83,590,911.06

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Solution

The fourth proportional to 219,916,185.54, 329,916,706.11 and 83,590,911.06 is: 125,402,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,916,185.54 : 329,916,706.11 = 83,590,911.06 : x
  2. Step 2: Convert to fraction form
    219,916,185.54/329,916,706.11 = 83,590,911.06/x
  3. Step 3: Cross multiply
    219,916,185.54x = 329,916,706.11 × 83,590,911.06
  4. Step 4: Simplify right side
    219,916,185.54x = 27,578,038,037,649,172
  5. Step 5: Solve for x
    x = 27,578,038,037,649,172/219,916,185.54
  6. Step 6: Final answer
    x = 125,402,493.55

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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.