Finding the Fourth Proportional to 170,655,881.79, 235,418,355.18 and 103,657,011.03
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Solution
The fourth proportional to 170,655,881.79, 235,418,355.18 and 103,657,011.03 is: 142,993,975.85
Step by Step Solution
- Step 1: Write the proportion equation
170,655,881.79 : 235,418,355.18 = 103,657,011.03 : x - Step 2: Convert to fraction form
170,655,881.79/235,418,355.18 = 103,657,011.03/x - Step 3: Cross multiply
170,655,881.79x = 235,418,355.18 × 103,657,011.03 - Step 4: Simplify right side
170,655,881.79x = 24,402,763,039,557,720 - Step 5: Solve for x
x = 24,402,763,039,557,720/170,655,881.79 - Step 6: Final answer
x = 142,993,975.85
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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.