Finding the Fourth Proportional to 153,243,602.70, 229,865,404.05 and 145,685,330.70
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Solution
The fourth proportional to 153,243,602.70, 229,865,404.05 and 145,685,330.70 is: 218,527,996.05
Step by Step Solution
- Step 1: Write the proportion equation
153,243,602.70 : 229,865,404.05 = 145,685,330.70 : x - Step 2: Convert to fraction form
153,243,602.70/229,865,404.05 = 145,685,330.70/x - Step 3: Cross multiply
153,243,602.70x = 229,865,404.05 × 145,685,330.70 - Step 4: Simplify right side
153,243,602.70x = 33,488,017,405,513,368 - Step 5: Solve for x
x = 33,488,017,405,513,368/153,243,602.70 - Step 6: Final answer
x = 218,527,996.05
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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.