Finding the Fourth Proportional to 170,655,905.28, 235,418,387.61 and 103,657,034.53
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Solution
The fourth proportional to 170,655,905.28, 235,418,387.61 and 103,657,034.53 is: 142,994,008.28
Step by Step Solution
- Step 1: Write the proportion equation
170,655,905.28 : 235,418,387.61 = 103,657,034.53 : x - Step 2: Convert to fraction form
170,655,905.28/235,418,387.61 = 103,657,034.53/x - Step 3: Cross multiply
170,655,905.28x = 235,418,387.61 × 103,657,034.53 - Step 4: Simplify right side
170,655,905.28x = 24,402,771,933,486,696 - Step 5: Solve for x
x = 24,402,771,933,486,696/170,655,905.28 - Step 6: Final answer
x = 142,994,008.28
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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.