Finding the Fourth Proportional to 157,754,100.18, 236,635,970.97 and 54,121,851.81
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Solution
The fourth proportional to 157,754,100.18, 236,635,970.97 and 54,121,851.81 is: 81,184,431.59
Step by Step Solution
- Step 1: Write the proportion equation
157,754,100.18 : 236,635,970.97 = 54,121,851.81 : x - Step 2: Convert to fraction form
157,754,100.18/236,635,970.97 = 54,121,851.81/x - Step 3: Cross multiply
157,754,100.18x = 236,635,970.97 × 54,121,851.81 - Step 4: Simplify right side
157,754,100.18x = 12,807,176,953,753,802 - Step 5: Solve for x
x = 12,807,176,953,753,802/157,754,100.18 - Step 6: Final answer
x = 81,184,431.59
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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.