Finding the Fourth Proportional to 81,331,324.02, 122,000,909.47 and 26,742,700.87
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Solution
The fourth proportional to 81,331,324.02, 122,000,909.47 and 26,742,700.87 is: 40,115,341.37
Step by Step Solution
- Step 1: Write the proportion equation
81,331,324.02 : 122,000,909.47 = 26,742,700.87 : x - Step 2: Convert to fraction form
81,331,324.02/122,000,909.47 = 26,742,700.87/x - Step 3: Cross multiply
81,331,324.02x = 122,000,909.47 × 26,742,700.87 - Step 4: Simplify right side
81,331,324.02x = 3,262,633,827,452,301 - Step 5: Solve for x
x = 3,262,633,827,452,301/81,331,324.02 - Step 6: Final answer
x = 40,115,341.37
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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.