Finding the Fourth Proportional to 98,470,484, 147,573,696.12 and 76,637,226.80
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Solution
The fourth proportional to 98,470,484, 147,573,696.12 and 76,637,226.80 is: 114,853,084.50
Step by Step Solution
- Step 1: Write the proportion equation
98,470,484 : 147,573,696.12 = 76,637,226.80 : x - Step 2: Convert to fraction form
98,470,484/147,573,696.12 = 76,637,226.80/x - Step 3: Cross multiply
98,470,484x = 147,573,696.12 × 76,637,226.80 - Step 4: Simplify right side
98,470,484x = 11,309,638,819,262,720 - Step 5: Solve for x
x = 11,309,638,819,262,720/98,470,484 - Step 6: Final answer
x = 114,853,084.50
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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.