Finding the Fourth Proportional to 137,133,909.48, 189,235,478.70 and 75,258,233.76
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Solution
The fourth proportional to 137,133,909.48, 189,235,478.70 and 75,258,233.76 is: 103,851,249.82
Step by Step Solution
- Step 1: Write the proportion equation
137,133,909.48 : 189,235,478.70 = 75,258,233.76 : x - Step 2: Convert to fraction form
137,133,909.48/189,235,478.70 = 75,258,233.76/x - Step 3: Cross multiply
137,133,909.48x = 189,235,478.70 × 75,258,233.76 - Step 4: Simplify right side
137,133,909.48x = 14,241,527,891,690,102 - Step 5: Solve for x
x = 14,241,527,891,690,102/137,133,909.48 - Step 6: Final answer
x = 103,851,249.82
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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.