Finding the Fourth Proportional to 137,609,807.04, 189,901,571.04 and 75,730,135.68
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Solution
The fourth proportional to 137,609,807.04, 189,901,571.04 and 75,730,135.68 is: 104,507,607.78
Step by Step Solution
- Step 1: Write the proportion equation
137,609,807.04 : 189,901,571.04 = 75,730,135.68 : x - Step 2: Convert to fraction form
137,609,807.04/189,901,571.04 = 75,730,135.68/x - Step 3: Cross multiply
137,609,807.04x = 189,901,571.04 × 75,730,135.68 - Step 4: Simplify right side
137,609,807.04x = 14,381,271,740,704,360 - Step 5: Solve for x
x = 14,381,271,740,704,360/137,609,807.04 - Step 6: Final answer
x = 104,507,607.78
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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.