Finding the Fourth Proportional to 318,415,018.90, 477,625,202.27 and 88,402,039.70
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Solution
The fourth proportional to 318,415,018.90, 477,625,202.27 and 88,402,039.70 is: 132,603,801.91
Step by Step Solution
- Step 1: Write the proportion equation
318,415,018.90 : 477,625,202.27 = 88,402,039.70 : x - Step 2: Convert to fraction form
318,415,018.90/477,625,202.27 = 88,402,039.70/x - Step 3: Cross multiply
318,415,018.90x = 477,625,202.27 × 88,402,039.70 - Step 4: Simplify right side
318,415,018.90x = 42,223,042,092,793,072 - Step 5: Solve for x
x = 42,223,042,092,793,072/318,415,018.90 - Step 6: Final answer
x = 132,603,801.91
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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.