Finding the Fourth Proportional to 145,726,602.30, 218,449,935.45 and 84,252,656.70
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Solution
The fourth proportional to 145,726,602.30, 218,449,935.45 and 84,252,656.70 is: 126,298,061.76
Step by Step Solution
- Step 1: Write the proportion equation
145,726,602.30 : 218,449,935.45 = 84,252,656.70 : x - Step 2: Convert to fraction form
145,726,602.30/218,449,935.45 = 84,252,656.70/x - Step 3: Cross multiply
145,726,602.30x = 218,449,935.45 × 84,252,656.70 - Step 4: Simplify right side
145,726,602.30x = 18,404,987,417,606,008 - Step 5: Solve for x
x = 18,404,987,417,606,008/145,726,602.30 - Step 6: Final answer
x = 126,298,061.76
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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.