Finding the Fourth Proportional to 139,267,208.44, 192,129,125.88 and 86,965,442.02
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Solution
The fourth proportional to 139,267,208.44, 192,129,125.88 and 86,965,442.02 is: 119,975,079.16
Step by Step Solution
- Step 1: Write the proportion equation
139,267,208.44 : 192,129,125.88 = 86,965,442.02 : x - Step 2: Convert to fraction form
139,267,208.44/192,129,125.88 = 86,965,442.02/x - Step 3: Cross multiply
139,267,208.44x = 192,129,125.88 × 86,965,442.02 - Step 4: Simplify right side
139,267,208.44x = 16,708,594,357,070,420 - Step 5: Solve for x
x = 16,708,594,357,070,420/139,267,208.44 - Step 6: Final answer
x = 119,975,079.16
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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.