Finding the Fourth Proportional to 157,754,097.74, 236,635,967.33 and 54,121,849.38
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Solution
The fourth proportional to 157,754,097.74, 236,635,967.33 and 54,121,849.38 is: 81,184,427.95
Step by Step Solution
- Step 1: Write the proportion equation
157,754,097.74 : 236,635,967.33 = 54,121,849.38 : x - Step 2: Convert to fraction form
157,754,097.74/236,635,967.33 = 54,121,849.38/x - Step 3: Cross multiply
157,754,097.74x = 236,635,967.33 × 54,121,849.38 - Step 4: Simplify right side
157,754,097.74x = 12,807,176,181,657,210 - Step 5: Solve for x
x = 12,807,176,181,657,210/157,754,097.74 - Step 6: Final answer
x = 81,184,427.95
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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.