Home / 81,670,907.74-112,704,518.31-44,501,628.97

Finding the Fourth Proportional to 81,670,907.74, 112,704,518.31 and 44,501,628.97

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Solution

The fourth proportional to 81,670,907.74, 112,704,518.31 and 44,501,628.97 is: 61,411,520.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,670,907.74 : 112,704,518.31 = 44,501,628.97 : x
  2. Step 2: Convert to fraction form
    81,670,907.74/112,704,518.31 = 44,501,628.97/x
  3. Step 3: Cross multiply
    81,670,907.74x = 112,704,518.31 × 44,501,628.97
  4. Step 4: Simplify right side
    81,670,907.74x = 5,015,534,657,074,191
  5. Step 5: Solve for x
    x = 5,015,534,657,074,191/81,670,907.74
  6. Step 6: Final answer
    x = 61,411,520.89

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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.