Finding the Fourth Proportional to 89,984,364.96, 124,177,805.40 and 48,730,313.28
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Solution
The fourth proportional to 89,984,364.96, 124,177,805.40 and 48,730,313.28 is: 67,247,497.52
Step by Step Solution
- Step 1: Write the proportion equation
89,984,364.96 : 124,177,805.40 = 48,730,313.28 : x - Step 2: Convert to fraction form
89,984,364.96/124,177,805.40 = 48,730,313.28/x - Step 3: Cross multiply
89,984,364.96x = 124,177,805.40 × 48,730,313.28 - Step 4: Simplify right side
89,984,364.96x = 6,051,223,359,564,876 - Step 5: Solve for x
x = 6,051,223,359,564,876/89,984,364.96 - Step 6: Final answer
x = 67,247,497.52
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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.