Finding the Fourth Proportional to 114,782,137.21, 172,210,386.03 and 68,716,802.17
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Solution
The fourth proportional to 114,782,137.21, 172,210,386.03 and 68,716,802.17 is: 103,097,461.99
Step by Step Solution
- Step 1: Write the proportion equation
114,782,137.21 : 172,210,386.03 = 68,716,802.17 : x - Step 2: Convert to fraction form
114,782,137.21/172,210,386.03 = 68,716,802.17/x - Step 3: Cross multiply
114,782,137.21x = 172,210,386.03 × 68,716,802.17 - Step 4: Simplify right side
114,782,137.21x = 11,833,747,028,442,842 - Step 5: Solve for x
x = 11,833,747,028,442,842/114,782,137.21 - Step 6: Final answer
x = 103,097,461.99
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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.