Finding the Fourth Proportional to 90,173,352.69, 124,439,467.91 and 48,920,245.07
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Solution
The fourth proportional to 90,173,352.69, 124,439,467.91 and 48,920,245.07 is: 67,510,069.05
Step by Step Solution
- Step 1: Write the proportion equation
90,173,352.69 : 124,439,467.91 = 48,920,245.07 : x - Step 2: Convert to fraction form
90,173,352.69/124,439,467.91 = 48,920,245.07/x - Step 3: Cross multiply
90,173,352.69x = 124,439,467.91 × 48,920,245.07 - Step 4: Simplify right side
90,173,352.69x = 6,087,609,266,502,715 - Step 5: Solve for x
x = 6,087,609,266,502,715/90,173,352.69 - Step 6: Final answer
x = 67,510,069.05
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.