Finding the Fourth Proportional to 137,844,204.74, 190,219,464.26 and 75,118,970.74
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Solution
The fourth proportional to 137,844,204.74, 190,219,464.26 and 75,118,970.74 is: 103,661,161.50
Step by Step Solution
- Step 1: Write the proportion equation
137,844,204.74 : 190,219,464.26 = 75,118,970.74 : x - Step 2: Convert to fraction form
137,844,204.74/190,219,464.26 = 75,118,970.74/x - Step 3: Cross multiply
137,844,204.74x = 190,219,464.26 × 75,118,970.74 - Step 4: Simplify right side
137,844,204.74x = 14,289,090,369,262,068 - Step 5: Solve for x
x = 14,289,090,369,262,068/137,844,204.74 - Step 6: Final answer
x = 103,661,161.50
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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.