Finding the Fourth Proportional to 98,488,175.10, 135,930,214.71 and 66,683,920.38
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Solution
The fourth proportional to 98,488,175.10, 135,930,214.71 and 66,683,920.38 is: 92,035,004.26
Step by Step Solution
- Step 1: Write the proportion equation
98,488,175.10 : 135,930,214.71 = 66,683,920.38 : x - Step 2: Convert to fraction form
98,488,175.10/135,930,214.71 = 66,683,920.38/x - Step 3: Cross multiply
98,488,175.10x = 135,930,214.71 × 66,683,920.38 - Step 4: Simplify right side
98,488,175.10x = 9,064,359,614,957,946 - Step 5: Solve for x
x = 9,064,359,614,957,946/98,488,175.10 - Step 6: Final answer
x = 92,035,004.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.