Finding the Fourth Proportional to 76,914,889.13, 106,125,578.93 and 45,537,358.01
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Solution
The fourth proportional to 76,914,889.13, 106,125,578.93 and 45,537,358.01 is: 62,831,508.12
Step by Step Solution
- Step 1: Write the proportion equation
76,914,889.13 : 106,125,578.93 = 45,537,358.01 : x - Step 2: Convert to fraction form
76,914,889.13/106,125,578.93 = 45,537,358.01/x - Step 3: Cross multiply
76,914,889.13x = 106,125,578.93 × 45,537,358.01 - Step 4: Simplify right side
76,914,889.13x = 4,832,678,481,337,139 - Step 5: Solve for x
x = 4,832,678,481,337,139/76,914,889.13 - Step 6: Final answer
x = 62,831,508.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.