Finding the Fourth Proportional to 137,979,996.40, 207,113,549.34 and 101,629,432.00
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Solution
The fourth proportional to 137,979,996.40, 207,113,549.34 and 101,629,432.00 is: 152,549,883.52
Step by Step Solution
- Step 1: Write the proportion equation
137,979,996.40 : 207,113,549.34 = 101,629,432.00 : x - Step 2: Convert to fraction form
137,979,996.40/207,113,549.34 = 101,629,432.00/x - Step 3: Cross multiply
137,979,996.40x = 207,113,549.34 × 101,629,432.00 - Step 4: Simplify right side
137,979,996.40x = 21,048,832,378,791,500 - Step 5: Solve for x
x = 21,048,832,378,791,500/137,979,996.40 - Step 6: Final answer
x = 152,549,883.52
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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.