Finding the Fourth Proportional to 126,609,802.97, 190,132,041.87 and 77,712,784.55
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Solution
The fourth proportional to 126,609,802.97, 190,132,041.87 and 77,712,784.55 is: 116,702,577.99
Step by Step Solution
- Step 1: Write the proportion equation
126,609,802.97 : 190,132,041.87 = 77,712,784.55 : x - Step 2: Convert to fraction form
126,609,802.97/190,132,041.87 = 77,712,784.55/x - Step 3: Cross multiply
126,609,802.97x = 190,132,041.87 × 77,712,784.55 - Step 4: Simplify right side
126,609,802.97x = 14,775,690,405,042,530 - Step 5: Solve for x
x = 14,775,690,405,042,530/126,609,802.97 - Step 6: Final answer
x = 116,702,577.99
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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.