Finding the Fourth Proportional to 92,103,106.68, 127,113,432.63 and 52,420,285.74
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Solution
The fourth proportional to 92,103,106.68, 127,113,432.63 and 52,420,285.74 is: 72,346,337.71
Step by Step Solution
- Step 1: Write the proportion equation
92,103,106.68 : 127,113,432.63 = 52,420,285.74 : x - Step 2: Convert to fraction form
92,103,106.68/127,113,432.63 = 52,420,285.74/x - Step 3: Cross multiply
92,103,106.68x = 127,113,432.63 × 52,420,285.74 - Step 4: Simplify right side
92,103,106.68x = 6,663,322,459,856,840 - Step 5: Solve for x
x = 6,663,322,459,856,840/92,103,106.68 - Step 6: Final answer
x = 72,346,337.71
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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.