Finding the Fourth Proportional to 99,462,844,951.68, 149,271,634,460.07 and 69,422,018,281.14
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Solution
The fourth proportional to 99,462,844,951.68, 149,271,634,460.07 and 69,422,018,281.14 is: 104,187,027,239.94
Step by Step Solution
- Step 1: Write the proportion equation
99,462,844,951.68 : 149,271,634,460.07 = 69,422,018,281.14 : x - Step 2: Convert to fraction form
99,462,844,951.68/149,271,634,460.07 = 69,422,018,281.14/x - Step 3: Cross multiply
99,462,844,951.68x = 149,271,634,460.07 × 69,422,018,281.14 - Step 4: Simplify right side
99,462,844,951.68x = 10,362,738,136,342,627,090,432 - Step 5: Solve for x
x = 10,362,738,136,342,627,090,432/99,462,844,951.68 - Step 6: Final answer
x = 104,187,027,239.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.