Finding the Fourth Proportional to 139,110,644.68, 209,665,873.59 and 119,911,598.62
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Solution
The fourth proportional to 139,110,644.68, 209,665,873.59 and 119,911,598.62 is: 180,729,304.62
Step by Step Solution
- Step 1: Write the proportion equation
139,110,644.68 : 209,665,873.59 = 119,911,598.62 : x - Step 2: Convert to fraction form
139,110,644.68/209,665,873.59 = 119,911,598.62/x - Step 3: Cross multiply
139,110,644.68x = 209,665,873.59 × 119,911,598.62 - Step 4: Simplify right side
139,110,644.68x = 25,141,370,078,235,740 - Step 5: Solve for x
x = 25,141,370,078,235,740/139,110,644.68 - Step 6: Final answer
x = 180,729,304.62
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.