Home / 206,999,468.80-310,501,907.74-68,825,075.90

Finding the Fourth Proportional to 206,999,468.80, 310,501,907.74 and 68,825,075.90

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Solution

The fourth proportional to 206,999,468.80, 310,501,907.74 and 68,825,075.90 is: 103,238,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,999,468.80 : 310,501,907.74 = 68,825,075.90 : x
  2. Step 2: Convert to fraction form
    206,999,468.80/310,501,907.74 = 68,825,075.90/x
  3. Step 3: Cross multiply
    206,999,468.80x = 310,501,907.74 × 68,825,075.90
  4. Step 4: Simplify right side
    206,999,468.80x = 21,370,317,365,446,336
  5. Step 5: Solve for x
    x = 21,370,317,365,446,336/206,999,468.80
  6. Step 6: Final answer
    x = 103,238,513.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.