Finding the Fourth Proportional to 143,829,927.18, 198,352,930.68 and 94,252,294.51
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Solution
The fourth proportional to 143,829,927.18, 198,352,930.68 and 94,252,294.51 is: 129,981,424.63
Step by Step Solution
- Step 1: Write the proportion equation
143,829,927.18 : 198,352,930.68 = 94,252,294.51 : x - Step 2: Convert to fraction form
143,829,927.18/198,352,930.68 = 94,252,294.51/x - Step 3: Cross multiply
143,829,927.18x = 198,352,930.68 × 94,252,294.51 - Step 4: Simplify right side
143,829,927.18x = 18,695,218,838,877,092 - Step 5: Solve for x
x = 18,695,218,838,877,092/143,829,927.18 - Step 6: Final answer
x = 129,981,424.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.