Finding the Fourth Proportional to 139,168,590.06, 208,751,555.88 and 84,596,242.98
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Solution
The fourth proportional to 139,168,590.06, 208,751,555.88 and 84,596,242.98 is: 126,893,556.48
Step by Step Solution
- Step 1: Write the proportion equation
139,168,590.06 : 208,751,555.88 = 84,596,242.98 : x - Step 2: Convert to fraction form
139,168,590.06/208,751,555.88 = 84,596,242.98/x - Step 3: Cross multiply
139,168,590.06x = 208,751,555.88 × 84,596,242.98 - Step 4: Simplify right side
139,168,590.06x = 17,659,597,343,677,528 - Step 5: Solve for x
x = 17,659,597,343,677,528/139,168,590.06 - Step 6: Final answer
x = 126,893,556.48
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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.