Finding the Fourth Proportional to 81,490,695.11, 122,286,320.69 and 37,763,303.09
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Solution
The fourth proportional to 81,490,695.11, 122,286,320.69 and 37,763,303.09 is: 56,668,253.79
Step by Step Solution
- Step 1: Write the proportion equation
81,490,695.11 : 122,286,320.69 = 37,763,303.09 : x - Step 2: Convert to fraction form
81,490,695.11/122,286,320.69 = 37,763,303.09/x - Step 3: Cross multiply
81,490,695.11x = 122,286,320.69 × 37,763,303.09 - Step 4: Simplify right side
81,490,695.11x = 4,617,935,392,315,127 - Step 5: Solve for x
x = 4,617,935,392,315,127/81,490,695.11 - Step 6: Final answer
x = 56,668,253.79
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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.