Finding the Fourth Proportional to 79,207,639.60, 118,832,454.60 and 28,084,327.60
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Solution
The fourth proportional to 79,207,639.60, 118,832,454.60 and 28,084,327.60 is: 42,133,935.58
Step by Step Solution
- Step 1: Write the proportion equation
79,207,639.60 : 118,832,454.60 = 28,084,327.60 : x - Step 2: Convert to fraction form
79,207,639.60/118,832,454.60 = 28,084,327.60/x - Step 3: Cross multiply
79,207,639.60x = 118,832,454.60 × 28,084,327.60 - Step 4: Simplify right side
79,207,639.60x = 3,337,329,584,498,527 - Step 5: Solve for x
x = 3,337,329,584,498,527/79,207,639.60 - Step 6: Final answer
x = 42,133,935.58
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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.