Finding the Fourth Proportional to 126,902,388, 175,126,345.20 and 68,955,636
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Solution
The fourth proportional to 126,902,388, 175,126,345.20 and 68,955,636 is: 95,159,348.09
Step by Step Solution
- Step 1: Write the proportion equation
126,902,388 : 175,126,345.20 = 68,955,636 : x - Step 2: Convert to fraction form
126,902,388/175,126,345.20 = 68,955,636/x - Step 3: Cross multiply
126,902,388x = 175,126,345.20 × 68,955,636 - Step 4: Simplify right side
126,902,388x = 12,075,948,513,621,546 - Step 5: Solve for x
x = 12,075,948,513,621,546/126,902,388 - Step 6: Final answer
x = 95,159,348.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.