Finding the Fourth Proportional to 211,559,015.99, 317,338,101.11 and 56,128,403.67
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Solution
The fourth proportional to 211,559,015.99, 317,338,101.11 and 56,128,403.67 is: 84,192,493.31
Step by Step Solution
- Step 1: Write the proportion equation
211,559,015.99 : 317,338,101.11 = 56,128,403.67 : x - Step 2: Convert to fraction form
211,559,015.99/317,338,101.11 = 56,128,403.67/x - Step 3: Cross multiply
211,559,015.99x = 317,338,101.11 × 56,128,403.67 - Step 4: Simplify right side
211,559,015.99x = 17,811,681,038,692,714 - Step 5: Solve for x
x = 17,811,681,038,692,714/211,559,015.99 - Step 6: Final answer
x = 84,192,493.31
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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.