Home / 98,684,181.45-136,178,775.15-54,021,513.51

Finding the Fourth Proportional to 98,684,181.45, 136,178,775.15 and 54,021,513.51

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Solution

The fourth proportional to 98,684,181.45, 136,178,775.15 and 54,021,513.51 is: 74,546,735.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,684,181.45 : 136,178,775.15 = 54,021,513.51 : x
  2. Step 2: Convert to fraction form
    98,684,181.45/136,178,775.15 = 54,021,513.51/x
  3. Step 3: Cross multiply
    98,684,181.45x = 136,178,775.15 × 54,021,513.51
  4. Step 4: Simplify right side
    98,684,181.45x = 7,356,583,541,540,977
  5. Step 5: Solve for x
    x = 7,356,583,541,540,977/98,684,181.45
  6. Step 6: Final answer
    x = 74,546,735.19

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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.