Finding the Fourth Proportional to 432,072,619.35, 648,054,261.04 and 136,970,583.68
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Solution
The fourth proportional to 432,072,619.35, 648,054,261.04 and 136,970,583.68 is: 205,438,545.32
Step by Step Solution
- Step 1: Write the proportion equation
432,072,619.35 : 648,054,261.04 = 136,970,583.68 : x - Step 2: Convert to fraction form
432,072,619.35/648,054,261.04 = 136,970,583.68/x - Step 3: Cross multiply
432,072,619.35x = 648,054,261.04 × 136,970,583.68 - Step 4: Simplify right side
432,072,619.35x = 88,764,370,390,275,024 - Step 5: Solve for x
x = 88,764,370,390,275,024/432,072,619.35 - Step 6: Final answer
x = 205,438,545.32
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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.