Finding the Fourth Proportional to 97,930,619.65, 135,144,248.94 and 53,876,673.41
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Solution
The fourth proportional to 97,930,619.65, 135,144,248.94 and 53,876,673.41 is: 74,349,805.90
Step by Step Solution
- Step 1: Write the proportion equation
97,930,619.65 : 135,144,248.94 = 53,876,673.41 : x - Step 2: Convert to fraction form
97,930,619.65/135,144,248.94 = 53,876,673.41/x - Step 3: Cross multiply
97,930,619.65x = 135,144,248.94 × 53,876,673.41 - Step 4: Simplify right side
97,930,619.65x = 7,281,122,562,704,397 - Step 5: Solve for x
x = 7,281,122,562,704,397/97,930,619.65 - Step 6: Final answer
x = 74,349,805.90
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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.