Finding the Fourth Proportional to 201,781,850.40, 302,672,775.60 and 56,237,875.20
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Solution
The fourth proportional to 201,781,850.40, 302,672,775.60 and 56,237,875.20 is: 84,356,812.80
Step by Step Solution
- Step 1: Write the proportion equation
201,781,850.40 : 302,672,775.60 = 56,237,875.20 : x - Step 2: Convert to fraction form
201,781,850.40/302,672,775.60 = 56,237,875.20/x - Step 3: Cross multiply
201,781,850.40x = 302,672,775.60 × 56,237,875.20 - Step 4: Simplify right side
201,781,850.40x = 17,021,673,780,630,408 - Step 5: Solve for x
x = 17,021,673,780,630,408/201,781,850.40 - Step 6: Final answer
x = 84,356,812.80
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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.