Finding the Fourth Proportional to 86,963,542.20, 130,461,059.70 and 43,723,927.80
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Solution
The fourth proportional to 86,963,542.20, 130,461,059.70 and 43,723,927.80 is: 65,593,808.75
Step by Step Solution
- Step 1: Write the proportion equation
86,963,542.20 : 130,461,059.70 = 43,723,927.80 : x - Step 2: Convert to fraction form
86,963,542.20/130,461,059.70 = 43,723,927.80/x - Step 3: Cross multiply
86,963,542.20x = 130,461,059.70 × 43,723,927.80 - Step 4: Simplify right side
86,963,542.20x = 5,704,269,955,034,289 - Step 5: Solve for x
x = 5,704,269,955,034,289/86,963,542.20 - Step 6: Final answer
x = 65,593,808.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.