Finding the Fourth Proportional to 157,719,125.80, 236,224,794.30 and 129,407,573.80
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Solution
The fourth proportional to 157,719,125.80, 236,224,794.30 and 129,407,573.80 is: 193,820,992.52
Step by Step Solution
- Step 1: Write the proportion equation
157,719,125.80 : 236,224,794.30 = 129,407,573.80 : x - Step 2: Convert to fraction form
157,719,125.80/236,224,794.30 = 129,407,573.80/x - Step 3: Cross multiply
157,719,125.80x = 236,224,794.30 × 129,407,573.80 - Step 4: Simplify right side
157,719,125.80x = 30,569,277,501,767,072 - Step 5: Solve for x
x = 30,569,277,501,767,072/157,719,125.80 - Step 6: Final answer
x = 193,820,992.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.