Finding the Fourth Proportional to 99,645,368.40, 149,468,052.60 and 63,414,378.23
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Solution
The fourth proportional to 99,645,368.40, 149,468,052.60 and 63,414,378.23 is: 95,121,567.34
Step by Step Solution
- Step 1: Write the proportion equation
99,645,368.40 : 149,468,052.60 = 63,414,378.23 : x - Step 2: Convert to fraction form
99,645,368.40/149,468,052.60 = 63,414,378.23/x - Step 3: Cross multiply
99,645,368.40x = 149,468,052.60 × 63,414,378.23 - Step 4: Simplify right side
99,645,368.40x = 9,478,423,620,130,594 - Step 5: Solve for x
x = 9,478,423,620,130,594/99,645,368.40 - Step 6: Final answer
x = 95,121,567.34
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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.