Finding the Fourth Proportional to 143,368,869,797.28, 197,848,350,497.37 and 79,139,032,271.17
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Solution
The fourth proportional to 143,368,869,797.28, 197,848,350,497.37 and 79,139,032,271.17 is: 109,211,483,754.79
Step by Step Solution
- Step 1: Write the proportion equation
143,368,869,797.28 : 197,848,350,497.37 = 79,139,032,271.17 : x - Step 2: Convert to fraction form
143,368,869,797.28/197,848,350,497.37 = 79,139,032,271.17/x - Step 3: Cross multiply
143,368,869,797.28x = 197,848,350,497.37 × 79,139,032,271.17 - Step 4: Simplify right side
143,368,869,797.28x = 15,657,526,994,808,126,570,496 - Step 5: Solve for x
x = 15,657,526,994,808,126,570,496/143,368,869,797.28 - Step 6: Final answer
x = 109,211,483,754.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.