Home / 98,074,866.93-135,338,316.72-54,020,917.61

Finding the Fourth Proportional to 98,074,866.93, 135,338,316.72 and 54,020,917.61

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Solution

The fourth proportional to 98,074,866.93, 135,338,316.72 and 54,020,917.61 is: 74,546,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,074,866.93 : 135,338,316.72 = 54,020,917.61 : x
  2. Step 2: Convert to fraction form
    98,074,866.93/135,338,316.72 = 54,020,917.61/x
  3. Step 3: Cross multiply
    98,074,866.93x = 135,338,316.72 × 54,020,917.61
  4. Step 4: Simplify right side
    98,074,866.93x = 7,311,100,056,635,454
  5. Step 5: Solve for x
    x = 7,311,100,056,635,454/98,074,866.93
  6. Step 6: Final answer
    x = 74,546,112.43

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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.