Finding the Fourth Proportional to 139,188,020.08, 208,964,497.39 and 93,335,064.74
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Solution
The fourth proportional to 139,188,020.08, 208,964,497.39 and 93,335,064.74 is: 140,124,953.86
Step by Step Solution
- Step 1: Write the proportion equation
139,188,020.08 : 208,964,497.39 = 93,335,064.74 : x - Step 2: Convert to fraction form
139,188,020.08/208,964,497.39 = 93,335,064.74/x - Step 3: Cross multiply
139,188,020.08x = 208,964,497.39 × 93,335,064.74 - Step 4: Simplify right side
139,188,020.08x = 19,503,714,892,257,208 - Step 5: Solve for x
x = 19,503,714,892,257,208/139,188,020.08 - Step 6: Final answer
x = 140,124,953.86
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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.