Finding the Fourth Proportional to 261,630,732.58, 360,936,963.02 and 155,724,764.14
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Solution
The fourth proportional to 261,630,732.58, 360,936,963.02 and 155,724,764.14 is: 214,832,649.37
Step by Step Solution
- Step 1: Write the proportion equation
261,630,732.58 : 360,936,963.02 = 155,724,764.14 : x - Step 2: Convert to fraction form
261,630,732.58/360,936,963.02 = 155,724,764.14/x - Step 3: Cross multiply
261,630,732.58x = 360,936,963.02 × 155,724,764.14 - Step 4: Simplify right side
261,630,732.58x = 56,206,823,435,697,392 - Step 5: Solve for x
x = 56,206,823,435,697,392/261,630,732.58 - Step 6: Final answer
x = 214,832,649.37
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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.