Finding the Fourth Proportional to 158,024,701.40, 236,942,573.70 and 81,497,197.40
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Solution
The fourth proportional to 158,024,701.40, 236,942,573.70 and 81,497,197.40 is: 122,197,071.28
Step by Step Solution
- Step 1: Write the proportion equation
158,024,701.40 : 236,942,573.70 = 81,497,197.40 : x - Step 2: Convert to fraction form
158,024,701.40/236,942,573.70 = 81,497,197.40/x - Step 3: Cross multiply
158,024,701.40x = 236,942,573.70 × 81,497,197.40 - Step 4: Simplify right side
158,024,701.40x = 19,310,155,701,292,948 - Step 5: Solve for x
x = 19,310,155,701,292,948/158,024,701.40 - Step 6: Final answer
x = 122,197,071.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.