Home / 208,876,853.49-313,364,290.91-205,406,543.76

Finding the Fourth Proportional to 208,876,853.49, 313,364,290.91 and 205,406,543.76

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Solution

The fourth proportional to 208,876,853.49, 313,364,290.91 and 205,406,543.76 is: 308,158,012.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,876,853.49 : 313,364,290.91 = 205,406,543.76 : x
  2. Step 2: Convert to fraction form
    208,876,853.49/313,364,290.91 = 205,406,543.76/x
  3. Step 3: Cross multiply
    208,876,853.49x = 313,364,290.91 × 205,406,543.76
  4. Step 4: Simplify right side
    208,876,853.49x = 64,367,075,932,599,240
  5. Step 5: Solve for x
    x = 64,367,075,932,599,240/208,876,853.49
  6. Step 6: Final answer
    x = 308,158,012.04

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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.