Finding the Fourth Proportional to 165,688,716.84, 248,593,679.12 and 77,099,538.48
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Solution
The fourth proportional to 165,688,716.84, 248,593,679.12 and 77,099,538.48 is: 115,677,508.37
Step by Step Solution
- Step 1: Write the proportion equation
165,688,716.84 : 248,593,679.12 = 77,099,538.48 : x - Step 2: Convert to fraction form
165,688,716.84/248,593,679.12 = 77,099,538.48/x - Step 3: Cross multiply
165,688,716.84x = 248,593,679.12 × 77,099,538.48 - Step 4: Simplify right side
165,688,716.84x = 19,166,457,929,197,212 - Step 5: Solve for x
x = 19,166,457,929,197,212/165,688,716.84 - Step 6: Final answer
x = 115,677,508.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.