Home / 71,015,127.16-97,999,907.72-39,653,660.56

Finding the Fourth Proportional to 71,015,127.16, 97,999,907.72 and 39,653,660.56

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Solution

The fourth proportional to 71,015,127.16, 97,999,907.72 and 39,653,660.56 is: 54,721,511.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,015,127.16 : 97,999,907.72 = 39,653,660.56 : x
  2. Step 2: Convert to fraction form
    71,015,127.16/97,999,907.72 = 39,653,660.56/x
  3. Step 3: Cross multiply
    71,015,127.16x = 97,999,907.72 × 39,653,660.56
  4. Step 4: Simplify right side
    71,015,127.16x = 3,886,055,075,640,203.50
  5. Step 5: Solve for x
    x = 3,886,055,075,640,203.50/71,015,127.16
  6. Step 6: Final answer
    x = 54,721,511.19

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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.