Finding the Fourth Proportional to 170,655,906.29, 235,418,388.99 and 103,657,035.53
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Solution
The fourth proportional to 170,655,906.29, 235,418,388.99 and 103,657,035.53 is: 142,994,009.66
Step by Step Solution
- Step 1: Write the proportion equation
170,655,906.29 : 235,418,388.99 = 103,657,035.53 : x - Step 2: Convert to fraction form
170,655,906.29/235,418,388.99 = 103,657,035.53/x - Step 3: Cross multiply
170,655,906.29x = 235,418,388.99 × 103,657,035.53 - Step 4: Simplify right side
170,655,906.29x = 24,402,772,311,951,792 - Step 5: Solve for x
x = 24,402,772,311,951,792/170,655,906.29 - Step 6: Final answer
x = 142,994,009.66
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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.