Finding the Fourth Proportional to 143,834,447.34, 198,545,515.58 and 94,278,014.63
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Solution
The fourth proportional to 143,834,447.34, 198,545,515.58 and 94,278,014.63 is: 130,139,040.88
Step by Step Solution
- Step 1: Write the proportion equation
143,834,447.34 : 198,545,515.58 = 94,278,014.63 : x - Step 2: Convert to fraction form
143,834,447.34/198,545,515.58 = 94,278,014.63/x - Step 3: Cross multiply
143,834,447.34x = 198,545,515.58 × 94,278,014.63 - Step 4: Simplify right side
143,834,447.34x = 18,718,477,022,559,648 - Step 5: Solve for x
x = 18,718,477,022,559,648/143,834,447.34 - Step 6: Final answer
x = 130,139,040.88
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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.