Finding the Fourth Proportional to 103,099,439.98, 142,276,226.87 and 56,056,512.79
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Solution
The fourth proportional to 103,099,439.98, 142,276,226.87 and 56,056,512.79 is: 77,357,443.77
Step by Step Solution
- Step 1: Write the proportion equation
103,099,439.98 : 142,276,226.87 = 56,056,512.79 : x - Step 2: Convert to fraction form
103,099,439.98/142,276,226.87 = 56,056,512.79/x - Step 3: Cross multiply
103,099,439.98x = 142,276,226.87 × 56,056,512.79 - Step 4: Simplify right side
103,099,439.98x = 7,975,509,131,251,097 - Step 5: Solve for x
x = 7,975,509,131,251,097/103,099,439.98 - Step 6: Final answer
x = 77,357,443.77
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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.