Home / 201,888,081.89-278,698,633.67-118,244,665.92

Finding the Fourth Proportional to 201,888,081.89, 278,698,633.67 and 118,244,665.92

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Solution

The fourth proportional to 201,888,081.89, 278,698,633.67 and 118,244,665.92 is: 163,232,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,888,081.89 : 278,698,633.67 = 118,244,665.92 : x
  2. Step 2: Convert to fraction form
    201,888,081.89/278,698,633.67 = 118,244,665.92/x
  3. Step 3: Cross multiply
    201,888,081.89x = 278,698,633.67 × 118,244,665.92
  4. Step 4: Simplify right side
    201,888,081.89x = 32,954,626,832,010,348
  5. Step 5: Solve for x
    x = 32,954,626,832,010,348/201,888,081.89
  6. Step 6: Final answer
    x = 163,232,155.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.