Finding the Fourth Proportional to 157,464,791.10, 236,197,186.65 and 145,029,071.70
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Solution
The fourth proportional to 157,464,791.10, 236,197,186.65 and 145,029,071.70 is: 217,543,607.55
Step by Step Solution
- Step 1: Write the proportion equation
157,464,791.10 : 236,197,186.65 = 145,029,071.70 : x - Step 2: Convert to fraction form
157,464,791.10/236,197,186.65 = 145,029,071.70/x - Step 3: Cross multiply
157,464,791.10x = 236,197,186.65 × 145,029,071.70 - Step 4: Simplify right side
157,464,791.10x = 34,255,458,718,001,132 - Step 5: Solve for x
x = 34,255,458,718,001,132/157,464,791.10 - Step 6: Final answer
x = 217,543,607.55
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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.