Finding the Fourth Proportional to 192,390,990.54, 288,482,671.02 and 87,288,970.08
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Solution
The fourth proportional to 192,390,990.54, 288,482,671.02 and 87,288,970.08 is: 130,886,353.71
Step by Step Solution
- Step 1: Write the proportion equation
192,390,990.54 : 288,482,671.02 = 87,288,970.08 : x - Step 2: Convert to fraction form
192,390,990.54/288,482,671.02 = 87,288,970.08/x - Step 3: Cross multiply
192,390,990.54x = 288,482,671.02 × 87,288,970.08 - Step 4: Simplify right side
192,390,990.54x = 25,181,355,239,263,260 - Step 5: Solve for x
x = 25,181,355,239,263,260/192,390,990.54 - Step 6: Final answer
x = 130,886,353.71
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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.