Finding the Fourth Proportional to 143,154,321,014.88, 214,731,368,109.36 and 38,464,695,542.88
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Solution
The fourth proportional to 143,154,321,014.88, 214,731,368,109.36 and 38,464,695,542.88 is: 57,697,012,840.95
Step by Step Solution
- Step 1: Write the proportion equation
143,154,321,014.88 : 214,731,368,109.36 = 38,464,695,542.88 : x - Step 2: Convert to fraction form
143,154,321,014.88/214,731,368,109.36 = 38,464,695,542.88/x - Step 3: Cross multiply
143,154,321,014.88x = 214,731,368,109.36 × 38,464,695,542.88 - Step 4: Simplify right side
143,154,321,014.88x = 8,259,576,697,832,622,522,368 - Step 5: Solve for x
x = 8,259,576,697,832,622,522,368/143,154,321,014.88 - Step 6: Final answer
x = 57,697,012,840.95
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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.