Finding the Fourth Proportional to 118,562,617.74, 163,612,898.35 and 65,641,684.24
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Solution
The fourth proportional to 118,562,617.74, 163,612,898.35 and 65,641,684.24 is: 90,583,578.66
Step by Step Solution
- Step 1: Write the proportion equation
118,562,617.74 : 163,612,898.35 = 65,641,684.24 : x - Step 2: Convert to fraction form
118,562,617.74/163,612,898.35 = 65,641,684.24/x - Step 3: Cross multiply
118,562,617.74x = 163,612,898.35 × 65,641,684.24 - Step 4: Simplify right side
118,562,617.74x = 10,739,826,210,753,708 - Step 5: Solve for x
x = 10,739,826,210,753,708/118,562,617.74 - Step 6: Final answer
x = 90,583,578.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.