Finding the Fourth Proportional to 238,733,308.76, 358,099,943.68 and 66,210,120.04
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Solution
The fourth proportional to 238,733,308.76, 358,099,943.68 and 66,210,120.04 is: 99,315,174.66
Step by Step Solution
- Step 1: Write the proportion equation
238,733,308.76 : 358,099,943.68 = 66,210,120.04 : x - Step 2: Convert to fraction form
238,733,308.76/358,099,943.68 = 66,210,120.04/x - Step 3: Cross multiply
238,733,308.76x = 358,099,943.68 × 66,210,120.04 - Step 4: Simplify right side
238,733,308.76x = 23,709,840,257,370,040 - Step 5: Solve for x
x = 23,709,840,257,370,040/238,733,308.76 - Step 6: Final answer
x = 99,315,174.66
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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.