Finding the Fourth Proportional to 173,915,468.07, 260,915,909.64 and 86,518,221.99
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Solution
The fourth proportional to 173,915,468.07, 260,915,909.64 and 86,518,221.99 is: 129,798,578.82
Step by Step Solution
- Step 1: Write the proportion equation
173,915,468.07 : 260,915,909.64 = 86,518,221.99 : x - Step 2: Convert to fraction form
173,915,468.07/260,915,909.64 = 86,518,221.99/x - Step 3: Cross multiply
173,915,468.07x = 260,915,909.64 × 86,518,221.99 - Step 4: Simplify right side
173,915,468.07x = 22,573,980,590,956,300 - Step 5: Solve for x
x = 22,573,980,590,956,300/173,915,468.07 - Step 6: Final answer
x = 129,798,578.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.