Finding the Fourth Proportional to 99,575,686.91, 149,278,336.18 and 38,208,884.06
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Solution
The fourth proportional to 99,575,686.91, 149,278,336.18 and 38,208,884.06 is: 57,280,635.63
Step by Step Solution
- Step 1: Write the proportion equation
99,575,686.91 : 149,278,336.18 = 38,208,884.06 : x - Step 2: Convert to fraction form
99,575,686.91/149,278,336.18 = 38,208,884.06/x - Step 3: Cross multiply
99,575,686.91x = 149,278,336.18 × 38,208,884.06 - Step 4: Simplify right side
99,575,686.91x = 5,703,758,639,771,324 - Step 5: Solve for x
x = 5,703,758,639,771,324/99,575,686.91 - Step 6: Final answer
x = 57,280,635.63
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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.