Home / 219,881,165.80-329,821,748.70-155,383,911.40

Finding the Fourth Proportional to 219,881,165.80, 329,821,748.70 and 155,383,911.40

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Solution

The fourth proportional to 219,881,165.80, 329,821,748.70 and 155,383,911.40 is: 233,075,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,881,165.80 : 329,821,748.70 = 155,383,911.40 : x
  2. Step 2: Convert to fraction form
    219,881,165.80/329,821,748.70 = 155,383,911.40/x
  3. Step 3: Cross multiply
    219,881,165.80x = 329,821,748.70 × 155,383,911.40
  4. Step 4: Simplify right side
    219,881,165.80x = 51,248,993,377,793,864
  5. Step 5: Solve for x
    x = 51,248,993,377,793,864/219,881,165.80
  6. Step 6: Final answer
    x = 233,075,867.10

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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.