Finding the Fourth Proportional to 74,686,177.60, 112,029,266.40 and 50,293,035.70
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Solution
The fourth proportional to 74,686,177.60, 112,029,266.40 and 50,293,035.70 is: 75,439,553.55
Step by Step Solution
- Step 1: Write the proportion equation
74,686,177.60 : 112,029,266.40 = 50,293,035.70 : x - Step 2: Convert to fraction form
74,686,177.60/112,029,266.40 = 50,293,035.70/x - Step 3: Cross multiply
74,686,177.60x = 112,029,266.40 × 50,293,035.70 - Step 4: Simplify right side
74,686,177.60x = 5,634,291,894,500,011 - Step 5: Solve for x
x = 5,634,291,894,500,011/74,686,177.60 - Step 6: Final answer
x = 75,439,553.55
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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.