Finding the Fourth Proportional to 118,335,898.62, 163,300,406.40 and 66,125,363.31
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Solution
The fourth proportional to 118,335,898.62, 163,300,406.40 and 66,125,363.31 is: 91,251,250.28
Step by Step Solution
- Step 1: Write the proportion equation
118,335,898.62 : 163,300,406.40 = 66,125,363.31 : x - Step 2: Convert to fraction form
118,335,898.62/163,300,406.40 = 66,125,363.31/x - Step 3: Cross multiply
118,335,898.62x = 163,300,406.40 × 66,125,363.31 - Step 4: Simplify right side
118,335,898.62x = 10,798,298,701,870,650 - Step 5: Solve for x
x = 10,798,298,701,870,650/118,335,898.62 - Step 6: Final answer
x = 91,251,250.28
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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.