Finding the Fourth Proportional to 155,587,462.36, 214,722,937.60 and 88,609,252.68
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Solution
The fourth proportional to 155,587,462.36, 214,722,937.60 and 88,609,252.68 is: 122,287,739.29
Step by Step Solution
- Step 1: Write the proportion equation
155,587,462.36 : 214,722,937.60 = 88,609,252.68 : x - Step 2: Convert to fraction form
155,587,462.36/214,722,937.60 = 88,609,252.68/x - Step 3: Cross multiply
155,587,462.36x = 214,722,937.60 × 88,609,252.68 - Step 4: Simplify right side
155,587,462.36x = 19,026,439,033,768,752 - Step 5: Solve for x
x = 19,026,439,033,768,752/155,587,462.36 - Step 6: Final answer
x = 122,287,739.29
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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.