Finding the Fourth Proportional to 68,883,602.90, 103,325,404.35 and 57,630,175.70
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Solution
The fourth proportional to 68,883,602.90, 103,325,404.35 and 57,630,175.70 is: 86,445,263.55
Step by Step Solution
- Step 1: Write the proportion equation
68,883,602.90 : 103,325,404.35 = 57,630,175.70 : x - Step 2: Convert to fraction form
68,883,602.90/103,325,404.35 = 57,630,175.70/x - Step 3: Cross multiply
68,883,602.90x = 103,325,404.35 × 57,630,175.70 - Step 4: Simplify right side
68,883,602.90x = 5,954,661,206,964,044 - Step 5: Solve for x
x = 5,954,661,206,964,044/68,883,602.90 - Step 6: Final answer
x = 86,445,263.55
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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.