Home / 98,333,640.96-135,699,649.92-57,084,368.64

Finding the Fourth Proportional to 98,333,640.96, 135,699,649.92 and 57,084,368.64

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Solution

The fourth proportional to 98,333,640.96, 135,699,649.92 and 57,084,368.64 is: 78,775,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,333,640.96 : 135,699,649.92 = 57,084,368.64 : x
  2. Step 2: Convert to fraction form
    98,333,640.96/135,699,649.92 = 57,084,368.64/x
  3. Step 3: Cross multiply
    98,333,640.96x = 135,699,649.92 × 57,084,368.64
  4. Step 4: Simplify right side
    98,333,640.96x = 7,746,328,840,352,226
  5. Step 5: Solve for x
    x = 7,746,328,840,352,226/98,333,640.96
  6. Step 6: Final answer
    x = 78,775,979.05

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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.