Finding the Fourth Proportional to 235,478,916.36, 353,271,535.02 and 77,911,557.84
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Solution
The fourth proportional to 235,478,916.36, 353,271,535.02 and 77,911,557.84 is: 116,884,925.66
Step by Step Solution
- Step 1: Write the proportion equation
235,478,916.36 : 353,271,535.02 = 77,911,557.84 : x - Step 2: Convert to fraction form
235,478,916.36/353,271,535.02 = 77,911,557.84/x - Step 3: Cross multiply
235,478,916.36x = 353,271,535.02 × 77,911,557.84 - Step 4: Simplify right side
235,478,916.36x = 27,523,935,633,936,316 - Step 5: Solve for x
x = 27,523,935,633,936,316/235,478,916.36 - Step 6: Final answer
x = 116,884,925.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.