Finding the Fourth Proportional to 128,197,425.58, 192,094,486.04 and 99,122,288.47
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Solution
The fourth proportional to 128,197,425.58, 192,094,486.04 and 99,122,288.47 is: 148,527,515.06
Step by Step Solution
- Step 1: Write the proportion equation
128,197,425.58 : 192,094,486.04 = 99,122,288.47 : x - Step 2: Convert to fraction form
128,197,425.58/192,094,486.04 = 99,122,288.47/x - Step 3: Cross multiply
128,197,425.58x = 192,094,486.04 × 99,122,288.47 - Step 4: Simplify right side
128,197,425.58x = 19,040,845,058,257,656 - Step 5: Solve for x
x = 19,040,845,058,257,656/128,197,425.58 - Step 6: Final answer
x = 148,527,515.06
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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.