Finding the Fourth Proportional to 115,409,289.49, 159,260,036.51 and 63,197,425.58
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Solution
The fourth proportional to 115,409,289.49, 159,260,036.51 and 63,197,425.58 is: 87,209,828.16
Step by Step Solution
- Step 1: Write the proportion equation
115,409,289.49 : 159,260,036.51 = 63,197,425.58 : x - Step 2: Convert to fraction form
115,409,289.49/159,260,036.51 = 63,197,425.58/x - Step 3: Cross multiply
115,409,289.49x = 159,260,036.51 × 63,197,425.58 - Step 4: Simplify right side
115,409,289.49x = 10,064,824,304,570,502 - Step 5: Solve for x
x = 10,064,824,304,570,502/115,409,289.49 - Step 6: Final answer
x = 87,209,828.16
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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.