Finding the Fourth Proportional to 48,880,746.40, 73,399,455.60 and 38,866,640.80
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Solution
The fourth proportional to 48,880,746.40, 73,399,455.60 and 38,866,640.80 is: 58,362,248.65
Step by Step Solution
- Step 1: Write the proportion equation
48,880,746.40 : 73,399,455.60 = 38,866,640.80 : x - Step 2: Convert to fraction form
48,880,746.40/73,399,455.60 = 38,866,640.80/x - Step 3: Cross multiply
48,880,746.40x = 73,399,455.60 × 38,866,640.80 - Step 4: Simplify right side
48,880,746.40x = 2,852,790,275,720,748 - Step 5: Solve for x
x = 2,852,790,275,720,748/48,880,746.40 - Step 6: Final answer
x = 58,362,248.65
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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.