Finding the Fourth Proportional to 257,308,251.24, 385,646,169.45 and 118,946,701.17
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Solution
The fourth proportional to 257,308,251.24, 385,646,169.45 and 118,946,701.17 is: 178,273,877.55
Step by Step Solution
- Step 1: Write the proportion equation
257,308,251.24 : 385,646,169.45 = 118,946,701.17 : x - Step 2: Convert to fraction form
257,308,251.24/385,646,169.45 = 118,946,701.17/x - Step 3: Cross multiply
257,308,251.24x = 385,646,169.45 × 118,946,701.17 - Step 4: Simplify right side
257,308,251.24x = 45,871,339,674,924,336 - Step 5: Solve for x
x = 45,871,339,674,924,336/257,308,251.24 - Step 6: Final answer
x = 178,273,877.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.