Finding the Fourth Proportional to 84,153,103.20, 116,111,560.05 and 51,112,432.08
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Solution
The fourth proportional to 84,153,103.20, 116,111,560.05 and 51,112,432.08 is: 70,523,177.41
Step by Step Solution
- Step 1: Write the proportion equation
84,153,103.20 : 116,111,560.05 = 51,112,432.08 : x - Step 2: Convert to fraction form
84,153,103.20/116,111,560.05 = 51,112,432.08/x - Step 3: Cross multiply
84,153,103.20x = 116,111,560.05 × 51,112,432.08 - Step 4: Simplify right side
84,153,103.20x = 5,934,744,226,758,466 - Step 5: Solve for x
x = 5,934,744,226,758,466/84,153,103.20 - Step 6: Final answer
x = 70,523,177.41
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1.5x scale
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.