Home / 69,220,998.84-103,823,566.74-18,107,951.16

Finding the Fourth Proportional to 69,220,998.84, 103,823,566.74 and 18,107,951.16

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Solution

The fourth proportional to 69,220,998.84, 103,823,566.74 and 18,107,951.16 is: 27,159,851.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,220,998.84 : 103,823,566.74 = 18,107,951.16 : x
  2. Step 2: Convert to fraction form
    69,220,998.84/103,823,566.74 = 18,107,951.16/x
  3. Step 3: Cross multiply
    69,220,998.84x = 103,823,566.74 × 18,107,951.16
  4. Step 4: Simplify right side
    69,220,998.84x = 1,880,032,075,784,920.25
  5. Step 5: Solve for x
    x = 1,880,032,075,784,920.25/69,220,998.84
  6. Step 6: Final answer
    x = 27,159,851.88

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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.