Finding the Fourth Proportional to 276,312,730.08, 381,345,007.82 and 157,264,268.76
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Solution
The fourth proportional to 276,312,730.08, 381,345,007.82 and 157,264,268.76 is: 217,043,723.55
Step by Step Solution
- Step 1: Write the proportion equation
276,312,730.08 : 381,345,007.82 = 157,264,268.76 : x - Step 2: Convert to fraction form
276,312,730.08/381,345,007.82 = 157,264,268.76/x - Step 3: Cross multiply
276,312,730.08x = 381,345,007.82 × 157,264,268.76 - Step 4: Simplify right side
276,312,730.08x = 59,971,943,800,088,776 - Step 5: Solve for x
x = 59,971,943,800,088,776/276,312,730.08 - Step 6: Final answer
x = 217,043,723.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.