Finding the Fourth Proportional to 158,802,862.42, 219,138,343.24 and 88,236,059.74
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Solution
The fourth proportional to 158,802,862.42, 219,138,343.24 and 88,236,059.74 is: 121,760,424.53
Step by Step Solution
- Step 1: Write the proportion equation
158,802,862.42 : 219,138,343.24 = 88,236,059.74 : x - Step 2: Convert to fraction form
158,802,862.42/219,138,343.24 = 88,236,059.74/x - Step 3: Cross multiply
158,802,862.42x = 219,138,343.24 × 88,236,059.74 - Step 4: Simplify right side
158,802,862.42x = 19,335,903,945,449,264 - Step 5: Solve for x
x = 19,335,903,945,449,264/158,802,862.42 - Step 6: Final answer
x = 121,760,424.53
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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.