Finding the Fourth Proportional to 234,156,594.18, 323,135,847.52 and 128,312,590.35
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Solution
The fourth proportional to 234,156,594.18, 323,135,847.52 and 128,312,590.35 is: 177,071,236.35
Step by Step Solution
- Step 1: Write the proportion equation
234,156,594.18 : 323,135,847.52 = 128,312,590.35 : x - Step 2: Convert to fraction form
234,156,594.18/323,135,847.52 = 128,312,590.35/x - Step 3: Cross multiply
234,156,594.18x = 323,135,847.52 × 128,312,590.35 - Step 4: Simplify right side
234,156,594.18x = 41,462,397,630,233,816 - Step 5: Solve for x
x = 41,462,397,630,233,816/234,156,594.18 - Step 6: Final answer
x = 177,071,236.35
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1.5x scale
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.