Home / 81,082,406.93-111,893,167.02-43,911,832.35

Finding the Fourth Proportional to 81,082,406.93, 111,893,167.02 and 43,911,832.35

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Solution

The fourth proportional to 81,082,406.93, 111,893,167.02 and 43,911,832.35 is: 60,598,028.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,082,406.93 : 111,893,167.02 = 43,911,832.35 : x
  2. Step 2: Convert to fraction form
    81,082,406.93/111,893,167.02 = 43,911,832.35/x
  3. Step 3: Cross multiply
    81,082,406.93x = 111,893,167.02 × 43,911,832.35
  4. Step 4: Simplify right side
    81,082,406.93x = 4,913,433,991,292,789
  5. Step 5: Solve for x
    x = 4,913,433,991,292,789/81,082,406.93
  6. Step 6: Final answer
    x = 60,598,028.32

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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.