Home / 86,562,081.10-130,032,078.45-61,052,913.10

Finding the Fourth Proportional to 86,562,081.10, 130,032,078.45 and 61,052,913.10

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Solution

The fourth proportional to 86,562,081.10, 130,032,078.45 and 61,052,913.10 is: 91,712,642.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,562,081.10 : 130,032,078.45 = 61,052,913.10 : x
  2. Step 2: Convert to fraction form
    86,562,081.10/130,032,078.45 = 61,052,913.10/x
  3. Step 3: Cross multiply
    86,562,081.10x = 130,032,078.45 × 61,052,913.10
  4. Step 4: Simplify right side
    86,562,081.10x = 7,938,837,185,820,233
  5. Step 5: Solve for x
    x = 7,938,837,185,820,233/86,562,081.10
  6. Step 6: Final answer
    x = 91,712,642.36

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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.