Finding the Fourth Proportional to 157,464,454.80, 236,196,682.20 and 88,589,701.20
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Solution
The fourth proportional to 157,464,454.80, 236,196,682.20 and 88,589,701.20 is: 132,884,551.80
Step by Step Solution
- Step 1: Write the proportion equation
157,464,454.80 : 236,196,682.20 = 88,589,701.20 : x - Step 2: Convert to fraction form
157,464,454.80/236,196,682.20 = 88,589,701.20/x - Step 3: Cross multiply
157,464,454.80x = 236,196,682.20 × 88,589,701.20 - Step 4: Simplify right side
157,464,454.80x = 20,924,593,500,529,360 - Step 5: Solve for x
x = 20,924,593,500,529,360/157,464,454.80 - Step 6: Final answer
x = 132,884,551.80
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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.