Finding the Fourth Proportional to 99,757,419.60, 149,636,129.40 and 94,214,686.80
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Solution
The fourth proportional to 99,757,419.60, 149,636,129.40 and 94,214,686.80 is: 141,322,030.20
Step by Step Solution
- Step 1: Write the proportion equation
99,757,419.60 : 149,636,129.40 = 94,214,686.80 : x - Step 2: Convert to fraction form
99,757,419.60/149,636,129.40 = 94,214,686.80/x - Step 3: Cross multiply
99,757,419.60x = 149,636,129.40 × 94,214,686.80 - Step 4: Simplify right side
99,757,419.60x = 14,097,921,065,385,272 - Step 5: Solve for x
x = 14,097,921,065,385,272/99,757,419.60 - Step 6: Final answer
x = 141,322,030.20
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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.