Finding the Fourth Proportional to 97,027,246.20, 145,540,869.30 and 48,512,587.80
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Solution
The fourth proportional to 97,027,246.20, 145,540,869.30 and 48,512,587.80 is: 72,768,881.70
Step by Step Solution
- Step 1: Write the proportion equation
97,027,246.20 : 145,540,869.30 = 48,512,587.80 : x - Step 2: Convert to fraction form
97,027,246.20/145,540,869.30 = 48,512,587.80/x - Step 3: Cross multiply
97,027,246.20x = 145,540,869.30 × 48,512,587.80 - Step 4: Simplify right side
97,027,246.20x = 7,060,564,200,404,575 - Step 5: Solve for x
x = 7,060,564,200,404,575/97,027,246.20 - Step 6: Final answer
x = 72,768,881.70
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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.