Finding the Fourth Proportional to 134,448,280.80, 201,349,114.56 and 76,765,718.40
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Solution
The fourth proportional to 134,448,280.80, 201,349,114.56 and 76,765,718.40 is: 114,963,979.73
Step by Step Solution
- Step 1: Write the proportion equation
134,448,280.80 : 201,349,114.56 = 76,765,718.40 : x - Step 2: Convert to fraction form
134,448,280.80/201,349,114.56 = 76,765,718.40/x - Step 3: Cross multiply
134,448,280.80x = 201,349,114.56 × 76,765,718.40 - Step 4: Simplify right side
134,448,280.80x = 15,456,709,428,402,302 - Step 5: Solve for x
x = 15,456,709,428,402,302/134,448,280.80 - Step 6: Final answer
x = 114,963,979.73
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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.