Finding the Fourth Proportional to 145,363,163.28, 218,018,855.61 and 57,917,351.55
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Solution
The fourth proportional to 145,363,163.28, 218,018,855.61 and 57,917,351.55 is: 86,865,712.19
Step by Step Solution
- Step 1: Write the proportion equation
145,363,163.28 : 218,018,855.61 = 57,917,351.55 : x - Step 2: Convert to fraction form
145,363,163.28/218,018,855.61 = 57,917,351.55/x - Step 3: Cross multiply
145,363,163.28x = 218,018,855.61 × 57,917,351.55 - Step 4: Simplify right side
145,363,163.28x = 12,627,074,704,893,060 - Step 5: Solve for x
x = 12,627,074,704,893,060/145,363,163.28 - Step 6: Final answer
x = 86,865,712.19
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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.