Finding the Fourth Proportional to 147,609,674.58, 221,328,850.58 and 69,885,926.06
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Solution
The fourth proportional to 147,609,674.58, 221,328,850.58 and 69,885,926.06 is: 104,788,332.68
Step by Step Solution
- Step 1: Write the proportion equation
147,609,674.58 : 221,328,850.58 = 69,885,926.06 : x - Step 2: Convert to fraction form
147,609,674.58/221,328,850.58 = 69,885,926.06/x - Step 3: Cross multiply
147,609,674.58x = 221,328,850.58 × 69,885,926.06 - Step 4: Simplify right side
147,609,674.58x = 15,467,771,686,578,670 - Step 5: Solve for x
x = 15,467,771,686,578,670/147,609,674.58 - Step 6: Final answer
x = 104,788,332.68
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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.