Finding the Fourth Proportional to 139,954,959.47, 209,931,691.88 and 36,324,089.08
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Solution
The fourth proportional to 139,954,959.47, 209,931,691.88 and 36,324,089.08 is: 54,485,939.65
Step by Step Solution
- Step 1: Write the proportion equation
139,954,959.47 : 209,931,691.88 = 36,324,089.08 : x - Step 2: Convert to fraction form
139,954,959.47/209,931,691.88 = 36,324,089.08/x - Step 3: Cross multiply
139,954,959.47x = 209,931,691.88 × 36,324,089.08 - Step 4: Simplify right side
139,954,959.47x = 7,625,577,476,130,214 - Step 5: Solve for x
x = 7,625,577,476,130,214/139,954,959.47 - Step 6: Final answer
x = 54,485,939.65
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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.