Finding the Fourth Proportional to 80,924,124.30, 121,386,186.45 and 26,341,853.10
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Solution
The fourth proportional to 80,924,124.30, 121,386,186.45 and 26,341,853.10 is: 39,512,779.65
Step by Step Solution
- Step 1: Write the proportion equation
80,924,124.30 : 121,386,186.45 = 26,341,853.10 : x - Step 2: Convert to fraction form
80,924,124.30/121,386,186.45 = 26,341,853.10/x - Step 3: Cross multiply
80,924,124.30x = 121,386,186.45 × 26,341,853.10 - Step 4: Simplify right side
80,924,124.30x = 3,197,537,091,835,111 - Step 5: Solve for x
x = 3,197,537,091,835,111/80,924,124.30 - Step 6: Final answer
x = 39,512,779.65
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Double scale
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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.