Finding the Fourth Proportional to 89,912,085.57, 124,078,676.58 and 48,658,977.95
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Solution
The fourth proportional to 89,912,085.57, 124,078,676.58 and 48,658,977.95 is: 67,149,388.75
Step by Step Solution
- Step 1: Write the proportion equation
89,912,085.57 : 124,078,676.58 = 48,658,977.95 : x - Step 2: Convert to fraction form
89,912,085.57/124,078,676.58 = 48,658,977.95/x - Step 3: Cross multiply
89,912,085.57x = 124,078,676.58 × 48,658,977.95 - Step 4: Simplify right side
89,912,085.57x = 6,037,541,587,151,008 - Step 5: Solve for x
x = 6,037,541,587,151,008/89,912,085.57 - Step 6: Final answer
x = 67,149,388.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.