Finding the Fourth Proportional to 291,034,192.48, 436,556,012.68 and 83,775,351.76
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Solution
The fourth proportional to 291,034,192.48, 436,556,012.68 and 83,775,351.76 is: 125,664,387.45
Step by Step Solution
- Step 1: Write the proportion equation
291,034,192.48 : 436,556,012.68 = 83,775,351.76 : x - Step 2: Convert to fraction form
291,034,192.48/436,556,012.68 = 83,775,351.76/x - Step 3: Cross multiply
291,034,192.48x = 436,556,012.68 × 83,775,351.76 - Step 4: Simplify right side
291,034,192.48x = 36,572,633,525,210,024 - Step 5: Solve for x
x = 36,572,633,525,210,024/291,034,192.48 - Step 6: Final answer
x = 125,664,387.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.