Home / 81,938,647.79-113,073,996.30-44,768,128.13

Finding the Fourth Proportional to 81,938,647.79, 113,073,996.30 and 44,768,128.13

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Solution

The fourth proportional to 81,938,647.79, 113,073,996.30 and 44,768,128.13 is: 61,779,285.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,938,647.79 : 113,073,996.30 = 44,768,128.13 : x
  2. Step 2: Convert to fraction form
    81,938,647.79/113,073,996.30 = 44,768,128.13/x
  3. Step 3: Cross multiply
    81,938,647.79x = 113,073,996.30 × 44,768,128.13
  4. Step 4: Simplify right side
    81,938,647.79x = 5,062,111,154,529,546
  5. Step 5: Solve for x
    x = 5,062,111,154,529,546/81,938,647.79
  6. Step 6: Final answer
    x = 61,779,285.98

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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.