Finding the Fourth Proportional to 140,450,129.70, 210,675,194.55 and 44,712,017.70
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Solution
The fourth proportional to 140,450,129.70, 210,675,194.55 and 44,712,017.70 is: 67,068,026.55
Step by Step Solution
- Step 1: Write the proportion equation
140,450,129.70 : 210,675,194.55 = 44,712,017.70 : x - Step 2: Convert to fraction form
140,450,129.70/210,675,194.55 = 44,712,017.70/x - Step 3: Cross multiply
140,450,129.70x = 210,675,194.55 × 44,712,017.70 - Step 4: Simplify right side
140,450,129.70x = 9,419,713,027,670,544 - Step 5: Solve for x
x = 9,419,713,027,670,544/140,450,129.70 - Step 6: Final answer
x = 67,068,026.55
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1.5x scale
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.