Finding the Fourth Proportional to 51,297,715.49, 70,789,476.08 and 29,270,814.71
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Solution
The fourth proportional to 51,297,715.49, 70,789,476.08 and 29,270,814.71 is: 40,392,941.83
Step by Step Solution
- Step 1: Write the proportion equation
51,297,715.49 : 70,789,476.08 = 29,270,814.71 : x - Step 2: Convert to fraction form
51,297,715.49/70,789,476.08 = 29,270,814.71/x - Step 3: Cross multiply
51,297,715.49x = 70,789,476.08 × 29,270,814.71 - Step 4: Simplify right side
51,297,715.49x = 2,072,065,637,474,886.50 - Step 5: Solve for x
x = 2,072,065,637,474,886.50/51,297,715.49 - Step 6: Final answer
x = 40,392,941.83
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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.