Finding the Fourth Proportional to 185,745,117.60, 278,617,676.40 and 49,444,279.20
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Solution
The fourth proportional to 185,745,117.60, 278,617,676.40 and 49,444,279.20 is: 74,166,418.80
Step by Step Solution
- Step 1: Write the proportion equation
185,745,117.60 : 278,617,676.40 = 49,444,279.20 : x - Step 2: Convert to fraction form
185,745,117.60/278,617,676.40 = 49,444,279.20/x - Step 3: Cross multiply
185,745,117.60x = 278,617,676.40 × 49,444,279.20 - Step 4: Simplify right side
185,745,117.60x = 13,776,050,181,976,850 - Step 5: Solve for x
x = 13,776,050,181,976,850/185,745,117.60 - Step 6: Final answer
x = 74,166,418.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.