Home / 371,809,192.96-513,060,741.12-215,145,049.60

Finding the Fourth Proportional to 371,809,192.96, 513,060,741.12 and 215,145,049.60

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Solution

The fourth proportional to 371,809,192.96, 513,060,741.12 and 215,145,049.60 is: 296,879,369.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,809,192.96 : 513,060,741.12 = 215,145,049.60 : x
  2. Step 2: Convert to fraction form
    371,809,192.96/513,060,741.12 = 215,145,049.60/x
  3. Step 3: Cross multiply
    371,809,192.96x = 513,060,741.12 × 215,145,049.60
  4. Step 4: Simplify right side
    371,809,192.96x = 110,382,478,596,075,152
  5. Step 5: Solve for x
    x = 110,382,478,596,075,152/371,809,192.96
  6. Step 6: Final answer
    x = 296,879,369.00

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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.