Home / 205,422,329.34-308,168,136.09-69,075,301.50

Finding the Fourth Proportional to 205,422,329.34, 308,168,136.09 and 69,075,301.50

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Solution

The fourth proportional to 205,422,329.34, 308,168,136.09 and 69,075,301.50 is: 103,624,600.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,422,329.34 : 308,168,136.09 = 69,075,301.50 : x
  2. Step 2: Convert to fraction form
    205,422,329.34/308,168,136.09 = 69,075,301.50/x
  3. Step 3: Cross multiply
    205,422,329.34x = 308,168,136.09 × 69,075,301.50
  4. Step 4: Simplify right side
    205,422,329.34x = 21,286,806,913,109,780
  5. Step 5: Solve for x
    x = 21,286,806,913,109,780/205,422,329.34
  6. Step 6: Final answer
    x = 103,624,600.99

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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.