Finding the Fourth Proportional to 125,976,374.63, 189,038,963.68 and 53,188,443.80
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Solution
The fourth proportional to 125,976,374.63, 189,038,963.68 and 53,188,443.80 is: 79,814,078.83
Step by Step Solution
- Step 1: Write the proportion equation
125,976,374.63 : 189,038,963.68 = 53,188,443.80 : x - Step 2: Convert to fraction form
125,976,374.63/189,038,963.68 = 53,188,443.80/x - Step 3: Cross multiply
125,976,374.63x = 189,038,963.68 × 53,188,443.80 - Step 4: Simplify right side
125,976,374.63x = 10,054,688,294,625,756 - Step 5: Solve for x
x = 10,054,688,294,625,756/125,976,374.63 - Step 6: Final answer
x = 79,814,078.83
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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.