Finding the Fourth Proportional to 330,164,108.40, 495,442,117.80 and 125,712,850.80
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Solution
The fourth proportional to 330,164,108.40, 495,442,117.80 and 125,712,850.80 is: 188,643,887.84
Step by Step Solution
- Step 1: Write the proportion equation
330,164,108.40 : 495,442,117.80 = 125,712,850.80 : x - Step 2: Convert to fraction form
330,164,108.40/495,442,117.80 = 125,712,850.80/x - Step 3: Cross multiply
330,164,108.40x = 495,442,117.80 × 125,712,850.80 - Step 4: Simplify right side
330,164,108.40x = 62,283,441,035,027,424 - Step 5: Solve for x
x = 62,283,441,035,027,424/330,164,108.40 - Step 6: Final answer
x = 188,643,887.84
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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.