Finding the Fourth Proportional to 358,297,749.20, 537,531,915.96 and 115,960,656.08
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Solution
The fourth proportional to 358,297,749.20, 537,531,915.96 and 115,960,656.08 is: 173,968,588.35
Step by Step Solution
- Step 1: Write the proportion equation
358,297,749.20 : 537,531,915.96 = 115,960,656.08 : x - Step 2: Convert to fraction form
358,297,749.20/537,531,915.96 = 115,960,656.08/x - Step 3: Cross multiply
358,297,749.20x = 537,531,915.96 × 115,960,656.08 - Step 4: Simplify right side
358,297,749.20x = 62,332,553,638,661,024 - Step 5: Solve for x
x = 62,332,553,638,661,024/358,297,749.20 - Step 6: Final answer
x = 173,968,588.35
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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.