Finding the Fourth Proportional to 74,745,358.40, 112,118,037.60 and 48,917,325.80
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Solution
The fourth proportional to 74,745,358.40, 112,118,037.60 and 48,917,325.80 is: 73,375,988.70
Step by Step Solution
- Step 1: Write the proportion equation
74,745,358.40 : 112,118,037.60 = 48,917,325.80 : x - Step 2: Convert to fraction form
74,745,358.40/112,118,037.60 = 48,917,325.80/x - Step 3: Cross multiply
74,745,358.40x = 112,118,037.60 × 48,917,325.80 - Step 4: Simplify right side
74,745,358.40x = 5,484,514,573,335,849 - Step 5: Solve for x
x = 5,484,514,573,335,849/74,745,358.40 - Step 6: Final answer
x = 73,375,988.70
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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.