Home / 78,557,075.44-108,412,127.53-43,749,765.77

Finding the Fourth Proportional to 78,557,075.44, 108,412,127.53 and 43,749,765.77

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Solution

The fourth proportional to 78,557,075.44, 108,412,127.53 and 43,749,765.77 is: 60,376,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,557,075.44 : 108,412,127.53 = 43,749,765.77 : x
  2. Step 2: Convert to fraction form
    78,557,075.44/108,412,127.53 = 43,749,765.77/x
  3. Step 3: Cross multiply
    78,557,075.44x = 108,412,127.53 × 43,749,765.77
  4. Step 4: Simplify right side
    78,557,075.44x = 4,743,005,185,413,434
  5. Step 5: Solve for x
    x = 4,743,005,185,413,434/78,557,075.44
  6. Step 6: Final answer
    x = 60,376,549.90

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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.