Home / 81,938,648.04-113,073,996.65-44,768,128.38

Finding the Fourth Proportional to 81,938,648.04, 113,073,996.65 and 44,768,128.38

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Solution

The fourth proportional to 81,938,648.04, 113,073,996.65 and 44,768,128.38 is: 61,779,286.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,938,648.04 : 113,073,996.65 = 44,768,128.38 : x
  2. Step 2: Convert to fraction form
    81,938,648.04/113,073,996.65 = 44,768,128.38/x
  3. Step 3: Cross multiply
    81,938,648.04x = 113,073,996.65 × 44,768,128.38
  4. Step 4: Simplify right side
    81,938,648.04x = 5,062,111,198,243,049
  5. Step 5: Solve for x
    x = 5,062,111,198,243,049/81,938,648.04
  6. Step 6: Final answer
    x = 61,779,286.32

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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.