Finding the Fourth Proportional to 86,911,336.90, 130,367,005.35 and 26,327,062.90
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Solution
The fourth proportional to 86,911,336.90, 130,367,005.35 and 26,327,062.90 is: 39,490,594.35
Step by Step Solution
- Step 1: Write the proportion equation
86,911,336.90 : 130,367,005.35 = 26,327,062.90 : x - Step 2: Convert to fraction form
86,911,336.90/130,367,005.35 = 26,327,062.90/x - Step 3: Cross multiply
86,911,336.90x = 130,367,005.35 × 26,327,062.90 - Step 4: Simplify right side
86,911,336.90x = 3,432,180,349,934,086 - Step 5: Solve for x
x = 3,432,180,349,934,086/86,911,336.90 - Step 6: Final answer
x = 39,490,594.35
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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.