Finding the Fourth Proportional to 68,048,656,445.70, 102,072,984,668.55 and 58,742,911,959.30
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Solution
The fourth proportional to 68,048,656,445.70, 102,072,984,668.55 and 58,742,911,959.30 is: 88,114,367,938.95
Step by Step Solution
- Step 1: Write the proportion equation
68,048,656,445.70 : 102,072,984,668.55 = 58,742,911,959.30 : x - Step 2: Convert to fraction form
68,048,656,445.70/102,072,984,668.55 = 58,742,911,959.30/x - Step 3: Cross multiply
68,048,656,445.70x = 102,072,984,668.55 × 58,742,911,959.30 - Step 4: Simplify right side
68,048,656,445.70x = 5,996,064,351,807,612,125,184 - Step 5: Solve for x
x = 5,996,064,351,807,612,125,184/68,048,656,445.70 - Step 6: Final answer
x = 88,114,367,938.95
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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.