Home / 190,848,007.70-286,272,011.55-177,998,945.30

Finding the Fourth Proportional to 190,848,007.70, 286,272,011.55 and 177,998,945.30

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Solution

The fourth proportional to 190,848,007.70, 286,272,011.55 and 177,998,945.30 is: 266,998,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,848,007.70 : 286,272,011.55 = 177,998,945.30 : x
  2. Step 2: Convert to fraction form
    190,848,007.70/286,272,011.55 = 177,998,945.30/x
  3. Step 3: Cross multiply
    190,848,007.70x = 286,272,011.55 × 177,998,945.30
  4. Step 4: Simplify right side
    190,848,007.70x = 50,956,116,124,809,424
  5. Step 5: Solve for x
    x = 50,956,116,124,809,424/190,848,007.70
  6. Step 6: Final answer
    x = 266,998,417.95

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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.