Finding the Fourth Proportional to 85,021,593.52, 117,326,024.94 and 47,346,700.99
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Solution
The fourth proportional to 85,021,593.52, 117,326,024.94 and 47,346,700.99 is: 65,336,345.64
Step by Step Solution
- Step 1: Write the proportion equation
85,021,593.52 : 117,326,024.94 = 47,346,700.99 : x - Step 2: Convert to fraction form
85,021,593.52/117,326,024.94 = 47,346,700.99/x - Step 3: Cross multiply
85,021,593.52x = 117,326,024.94 × 47,346,700.99 - Step 4: Simplify right side
85,021,593.52x = 5,555,000,221,283,684 - Step 5: Solve for x
x = 5,555,000,221,283,684/85,021,593.52 - Step 6: Final answer
x = 65,336,345.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.