Finding the Fourth Proportional to 96,772,278.84, 133,545,510.99 and 52,719,639.67
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Solution
The fourth proportional to 96,772,278.84, 133,545,510.99 and 52,719,639.67 is: 72,752,975.37
Step by Step Solution
- Step 1: Write the proportion equation
96,772,278.84 : 133,545,510.99 = 52,719,639.67 : x - Step 2: Convert to fraction form
96,772,278.84/133,545,510.99 = 52,719,639.67/x - Step 3: Cross multiply
96,772,278.84x = 133,545,510.99 × 52,719,639.67 - Step 4: Simplify right side
96,772,278.84x = 7,040,471,219,333,011 - Step 5: Solve for x
x = 7,040,471,219,333,011/96,772,278.84 - Step 6: Final answer
x = 72,752,975.37
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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.