Finding the Fourth Proportional to 157,979,055.20, 236,991,251.03 and 48,813,758.28
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Solution
The fourth proportional to 157,979,055.20, 236,991,251.03 and 48,813,758.28 is: 73,227,641.65
Step by Step Solution
- Step 1: Write the proportion equation
157,979,055.20 : 236,991,251.03 = 48,813,758.28 : x - Step 2: Convert to fraction form
157,979,055.20/236,991,251.03 = 48,813,758.28/x - Step 3: Cross multiply
157,979,055.20x = 236,991,251.03 × 48,813,758.28 - Step 4: Simplify right side
157,979,055.20x = 11,568,433,642,009,152 - Step 5: Solve for x
x = 11,568,433,642,009,152/157,979,055.20 - Step 6: Final answer
x = 73,227,641.65
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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.