Finding the Fourth Proportional to 161,715,534.70, 242,573,302.05 and 157,464,006.70
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Solution
The fourth proportional to 161,715,534.70, 242,573,302.05 and 157,464,006.70 is: 236,196,010.05
Step by Step Solution
- Step 1: Write the proportion equation
161,715,534.70 : 242,573,302.05 = 157,464,006.70 : x - Step 2: Convert to fraction form
161,715,534.70/242,573,302.05 = 157,464,006.70/x - Step 3: Cross multiply
161,715,534.70x = 242,573,302.05 × 157,464,006.70 - Step 4: Simplify right side
161,715,534.70x = 38,196,564,059,242,320 - Step 5: Solve for x
x = 38,196,564,059,242,320/161,715,534.70 - Step 6: Final answer
x = 236,196,010.05
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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.