Finding the Fourth Proportional to 86,208,053.70, 129,312,080.55 and 22,382,645.70
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Solution
The fourth proportional to 86,208,053.70, 129,312,080.55 and 22,382,645.70 is: 33,573,968.55
Step by Step Solution
- Step 1: Write the proportion equation
86,208,053.70 : 129,312,080.55 = 22,382,645.70 : x - Step 2: Convert to fraction form
86,208,053.70/129,312,080.55 = 22,382,645.70/x - Step 3: Cross multiply
86,208,053.70x = 129,312,080.55 × 22,382,645.70 - Step 4: Simplify right side
86,208,053.70x = 2,894,346,483,680,511 - Step 5: Solve for x
x = 2,894,346,483,680,511/86,208,053.70 - Step 6: Final answer
x = 33,573,968.55
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Similar ratio
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1.5x scale
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.