Home / 86,562,080.10-130,032,076.95-61,052,912.10

Finding the Fourth Proportional to 86,562,080.10, 130,032,076.95 and 61,052,912.10

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Solution

The fourth proportional to 86,562,080.10, 130,032,076.95 and 61,052,912.10 is: 91,712,640.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,562,080.10 : 130,032,076.95 = 61,052,912.10 : x
  2. Step 2: Convert to fraction form
    86,562,080.10/130,032,076.95 = 61,052,912.10/x
  3. Step 3: Cross multiply
    86,562,080.10x = 130,032,076.95 × 61,052,912.10
  4. Step 4: Simplify right side
    86,562,080.10x = 7,938,836,964,208,786
  5. Step 5: Solve for x
    x = 7,938,836,964,208,786/86,562,080.10
  6. Step 6: Final answer
    x = 91,712,640.86

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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.