Finding the Fourth Proportional to 202,726,931.56, 303,974,879.99 and 79,838,701.72
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Solution
The fourth proportional to 202,726,931.56, 303,974,879.99 and 79,838,701.72 is: 119,712,559.09
Step by Step Solution
- Step 1: Write the proportion equation
202,726,931.56 : 303,974,879.99 = 79,838,701.72 : x - Step 2: Convert to fraction form
202,726,931.56/303,974,879.99 = 79,838,701.72/x - Step 3: Cross multiply
202,726,931.56x = 303,974,879.99 × 79,838,701.72 - Step 4: Simplify right side
202,726,931.56x = 24,268,959,772,374,536 - Step 5: Solve for x
x = 24,268,959,772,374,536/202,726,931.56 - Step 6: Final answer
x = 119,712,559.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.