Finding the Fourth Proportional to 124,450,509.60, 186,516,332.10 and 110,739,331.80
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Solution
The fourth proportional to 124,450,509.60, 186,516,332.10 and 110,739,331.80 is: 165,967,130.65
Step by Step Solution
- Step 1: Write the proportion equation
124,450,509.60 : 186,516,332.10 = 110,739,331.80 : x - Step 2: Convert to fraction form
124,450,509.60/186,516,332.10 = 110,739,331.80/x - Step 3: Cross multiply
124,450,509.60x = 186,516,332.10 × 110,739,331.80 - Step 4: Simplify right side
124,450,509.60x = 20,654,693,986,540,888 - Step 5: Solve for x
x = 20,654,693,986,540,888/124,450,509.60 - Step 6: Final answer
x = 165,967,130.65
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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.