Finding the Fourth Proportional to 143,112,209.70, 214,668,314.55 and 97,762,577.70
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Solution
The fourth proportional to 143,112,209.70, 214,668,314.55 and 97,762,577.70 is: 146,643,866.55
Step by Step Solution
- Step 1: Write the proportion equation
143,112,209.70 : 214,668,314.55 = 97,762,577.70 : x - Step 2: Convert to fraction form
143,112,209.70/214,668,314.55 = 97,762,577.70/x - Step 3: Cross multiply
143,112,209.70x = 214,668,314.55 × 97,762,577.70 - Step 4: Simplify right side
143,112,209.70x = 20,986,527,780,922,416 - Step 5: Solve for x
x = 20,986,527,780,922,416/143,112,209.70 - Step 6: Final answer
x = 146,643,866.55
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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.