Finding the Fourth Proportional to 158,802,861.18, 219,138,341.52 and 88,236,058.49
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Solution
The fourth proportional to 158,802,861.18, 219,138,341.52 and 88,236,058.49 is: 121,760,422.80
Step by Step Solution
- Step 1: Write the proportion equation
158,802,861.18 : 219,138,341.52 = 88,236,058.49 : x - Step 2: Convert to fraction form
158,802,861.18/219,138,341.52 = 88,236,058.49/x - Step 3: Cross multiply
158,802,861.18x = 219,138,341.52 × 88,236,058.49 - Step 4: Simplify right side
158,802,861.18x = 19,335,903,518,664,624 - Step 5: Solve for x
x = 19,335,903,518,664,624/158,802,861.18 - Step 6: Final answer
x = 121,760,422.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.