Finding the Fourth Proportional to 157,464,166.05, 236,196,249.08 and 142,397,813.70
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Solution
The fourth proportional to 157,464,166.05, 236,196,249.08 and 142,397,813.70 is: 213,596,720.55
Step by Step Solution
- Step 1: Write the proportion equation
157,464,166.05 : 236,196,249.08 = 142,397,813.70 : x - Step 2: Convert to fraction form
157,464,166.05/236,196,249.08 = 142,397,813.70/x - Step 3: Cross multiply
157,464,166.05x = 236,196,249.08 × 142,397,813.70 - Step 4: Simplify right side
157,464,166.05x = 33,633,829,473,132,636 - Step 5: Solve for x
x = 33,633,829,473,132,636/157,464,166.05 - Step 6: Final answer
x = 213,596,720.55
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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.