Finding the Fourth Proportional to 112,118,415.35, 168,177,623.03 and 73,376,366.45
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Solution
The fourth proportional to 112,118,415.35, 168,177,623.03 and 73,376,366.45 is: 110,064,549.68
Step by Step Solution
- Step 1: Write the proportion equation
112,118,415.35 : 168,177,623.03 = 73,376,366.45 : x - Step 2: Convert to fraction form
112,118,415.35/168,177,623.03 = 73,376,366.45/x - Step 3: Cross multiply
112,118,415.35x = 168,177,623.03 × 73,376,366.45 - Step 4: Simplify right side
112,118,415.35x = 12,340,262,895,772,358 - Step 5: Solve for x
x = 12,340,262,895,772,358/112,118,415.35 - Step 6: Final answer
x = 110,064,549.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.