Finding the Fourth Proportional to 87,791,404.29, 120,875,732.64 and 74,534,359.65
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Solution
The fourth proportional to 87,791,404.29, 120,875,732.64 and 74,534,359.65 is: 102,622,749.94
Step by Step Solution
- Step 1: Write the proportion equation
87,791,404.29 : 120,875,732.64 = 74,534,359.65 : x - Step 2: Convert to fraction form
87,791,404.29/120,875,732.64 = 74,534,359.65/x - Step 3: Cross multiply
87,791,404.29x = 120,875,732.64 × 74,534,359.65 - Step 4: Simplify right side
87,791,404.29x = 9,009,395,329,547,004 - Step 5: Solve for x
x = 9,009,395,329,547,004/87,791,404.29 - Step 6: Final answer
x = 102,622,749.94
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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.