Finding the Fourth Proportional to 107,566,733.91, 161,280,953.58 and 70,634,988.84
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Solution
The fourth proportional to 107,566,733.91, 161,280,953.58 and 70,634,988.84 is: 105,907,076.86
Step by Step Solution
- Step 1: Write the proportion equation
107,566,733.91 : 161,280,953.58 = 70,634,988.84 : x - Step 2: Convert to fraction form
107,566,733.91/161,280,953.58 = 70,634,988.84/x - Step 3: Cross multiply
107,566,733.91x = 161,280,953.58 × 70,634,988.84 - Step 4: Simplify right side
107,566,733.91x = 11,392,078,356,227,860 - Step 5: Solve for x
x = 11,392,078,356,227,860/107,566,733.91 - Step 6: Final answer
x = 105,907,076.86
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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.