Finding the Fourth Proportional to 103,283,455.50, 142,531,168.59 and 56,873,598.84
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Solution
The fourth proportional to 103,283,455.50, 142,531,168.59 and 56,873,598.84 is: 78,485,566.40
Step by Step Solution
- Step 1: Write the proportion equation
103,283,455.50 : 142,531,168.59 = 56,873,598.84 : x - Step 2: Convert to fraction form
103,283,455.50/142,531,168.59 = 56,873,598.84/x - Step 3: Cross multiply
103,283,455.50x = 142,531,168.59 × 56,873,598.84 - Step 4: Simplify right side
103,283,455.50x = 8,106,260,504,584,069 - Step 5: Solve for x
x = 8,106,260,504,584,069/103,283,455.50 - Step 6: Final answer
x = 78,485,566.40
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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.