Finding the Fourth Proportional to 253,134,960,145.20, 349,326,503,533.26 and 137,391,743,641.96
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Solution
The fourth proportional to 253,134,960,145.20, 349,326,503,533.26 and 137,391,743,641.96 is: 189,600,746,547.43
Step by Step Solution
- Step 1: Write the proportion equation
253,134,960,145.20 : 349,326,503,533.26 = 137,391,743,641.96 : x - Step 2: Convert to fraction form
253,134,960,145.20/349,326,503,533.26 = 137,391,743,641.96/x - Step 3: Cross multiply
253,134,960,145.20x = 349,326,503,533.26 × 137,391,743,641.96 - Step 4: Simplify right side
253,134,960,145.20x = 47,994,577,420,783,892,561,920 - Step 5: Solve for x
x = 47,994,577,420,783,892,561,920/253,134,960,145.20 - Step 6: Final answer
x = 189,600,746,547.43
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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.