Finding the Fourth Proportional to 291,034,193.48, 436,556,014.18 and 83,775,352.76
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Solution
The fourth proportional to 291,034,193.48, 436,556,014.18 and 83,775,352.76 is: 125,664,388.95
Step by Step Solution
- Step 1: Write the proportion equation
291,034,193.48 : 436,556,014.18 = 83,775,352.76 : x - Step 2: Convert to fraction form
291,034,193.48/436,556,014.18 = 83,775,352.76/x - Step 3: Cross multiply
291,034,193.48x = 436,556,014.18 × 83,775,352.76 - Step 4: Simplify right side
291,034,193.48x = 36,572,634,087,429,064 - Step 5: Solve for x
x = 36,572,634,087,429,064/291,034,193.48 - Step 6: Final answer
x = 125,664,388.95
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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.