Finding the Fourth Proportional to 89,984,316.66, 124,177,738.74 and 48,730,264.98
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Solution
The fourth proportional to 89,984,316.66, 124,177,738.74 and 48,730,264.98 is: 67,247,430.86
Step by Step Solution
- Step 1: Write the proportion equation
89,984,316.66 : 124,177,738.74 = 48,730,264.98 : x - Step 2: Convert to fraction form
89,984,316.66/124,177,738.74 = 48,730,264.98/x - Step 3: Cross multiply
89,984,316.66x = 124,177,738.74 × 48,730,264.98 - Step 4: Simplify right side
89,984,316.66x = 6,051,214,113,417,411 - Step 5: Solve for x
x = 6,051,214,113,417,411/89,984,316.66 - Step 6: Final answer
x = 67,247,430.86
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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.