Finding the Fourth Proportional to 89,905,340.36, 124,069,364.88 and 48,652,232.72
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Solution
The fourth proportional to 89,905,340.36, 124,069,364.88 and 48,652,232.72 is: 67,140,078.55
Step by Step Solution
- Step 1: Write the proportion equation
89,905,340.36 : 124,069,364.88 = 48,652,232.72 : x - Step 2: Convert to fraction form
89,905,340.36/124,069,364.88 = 48,652,232.72/x - Step 3: Cross multiply
89,905,340.36x = 124,069,364.88 × 48,652,232.72 - Step 4: Simplify right side
89,905,340.36x = 6,036,251,613,564,354 - Step 5: Solve for x
x = 6,036,251,613,564,354/89,905,340.36 - Step 6: Final answer
x = 67,140,078.55
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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.