Finding the Fourth Proportional to 230,190,322.56, 317,658,937.92 and 125,766,151.68
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Solution
The fourth proportional to 230,190,322.56, 317,658,937.92 and 125,766,151.68 is: 173,555,263.86
Step by Step Solution
- Step 1: Write the proportion equation
230,190,322.56 : 317,658,937.92 = 125,766,151.68 : x - Step 2: Convert to fraction form
230,190,322.56/317,658,937.92 = 125,766,151.68/x - Step 3: Cross multiply
230,190,322.56x = 317,658,937.92 × 125,766,151.68 - Step 4: Simplify right side
230,190,322.56x = 39,950,742,168,954,432 - Step 5: Solve for x
x = 39,950,742,168,954,432/230,190,322.56 - Step 6: Final answer
x = 173,555,263.86
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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.