Finding the Fourth Proportional to 134,448,282.80, 201,349,117.56 and 76,765,720.40
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Solution
The fourth proportional to 134,448,282.80, 201,349,117.56 and 76,765,720.40 is: 114,963,982.73
Step by Step Solution
- Step 1: Write the proportion equation
134,448,282.80 : 201,349,117.56 = 76,765,720.40 : x - Step 2: Convert to fraction form
134,448,282.80/201,349,117.56 = 76,765,720.40/x - Step 3: Cross multiply
134,448,282.80x = 201,349,117.56 × 76,765,720.40 - Step 4: Simplify right side
134,448,282.80x = 15,456,710,061,397,692 - Step 5: Solve for x
x = 15,456,710,061,397,692/134,448,282.80 - Step 6: Final answer
x = 114,963,982.73
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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.