Home / 199,590,627.30-299,385,940.95-90,468,075.30

Finding the Fourth Proportional to 199,590,627.30, 299,385,940.95 and 90,468,075.30

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Solution

The fourth proportional to 199,590,627.30, 299,385,940.95 and 90,468,075.30 is: 135,702,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,590,627.30 : 299,385,940.95 = 90,468,075.30 : x
  2. Step 2: Convert to fraction form
    199,590,627.30/299,385,940.95 = 90,468,075.30/x
  3. Step 3: Cross multiply
    199,590,627.30x = 299,385,940.95 × 90,468,075.30
  4. Step 4: Simplify right side
    199,590,627.30x = 27,084,869,849,625,952
  5. Step 5: Solve for x
    x = 27,084,869,849,625,952/199,590,627.30
  6. Step 6: Final answer
    x = 135,702,112.95

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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.