Finding the Fourth Proportional to 291,279,794.99, 436,923,478.77 and 97,191,210.17
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Solution
The fourth proportional to 291,279,794.99, 436,923,478.77 and 97,191,210.17 is: 145,788,078.62
Step by Step Solution
- Step 1: Write the proportion equation
291,279,794.99 : 436,923,478.77 = 97,191,210.17 : x - Step 2: Convert to fraction form
291,279,794.99/436,923,478.77 = 97,191,210.17/x - Step 3: Cross multiply
291,279,794.99x = 436,923,478.77 × 97,191,210.17 - Step 4: Simplify right side
291,279,794.99x = 42,465,121,653,342,600 - Step 5: Solve for x
x = 42,465,121,653,342,600/291,279,794.99 - Step 6: Final answer
x = 145,788,078.62
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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.