Home / 81,938,529.68-113,073,833.40-44,768,009.97

Finding the Fourth Proportional to 81,938,529.68, 113,073,833.40 and 44,768,009.97

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Solution

The fourth proportional to 81,938,529.68, 113,073,833.40 and 44,768,009.97 is: 61,779,122.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,938,529.68 : 113,073,833.40 = 44,768,009.97 : x
  2. Step 2: Convert to fraction form
    81,938,529.68/113,073,833.40 = 44,768,009.97/x
  3. Step 3: Cross multiply
    81,938,529.68x = 113,073,833.40 × 44,768,009.97
  4. Step 4: Simplify right side
    81,938,529.68x = 5,062,090,500,997,319
  5. Step 5: Solve for x
    x = 5,062,090,500,997,319/81,938,529.68
  6. Step 6: Final answer
    x = 61,779,122.97

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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.