Finding the Fourth Proportional to 213,854,685.12, 295,119,750.24 and 116,069,553.60
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Solution
The fourth proportional to 213,854,685.12, 295,119,750.24 and 116,069,553.60 is: 160,176,138.53
Step by Step Solution
- Step 1: Write the proportion equation
213,854,685.12 : 295,119,750.24 = 116,069,553.60 : x - Step 2: Convert to fraction form
213,854,685.12/295,119,750.24 = 116,069,553.60/x - Step 3: Cross multiply
213,854,685.12x = 295,119,750.24 × 116,069,553.60 - Step 4: Simplify right side
213,854,685.12x = 34,254,417,668,900,292 - Step 5: Solve for x
x = 34,254,417,668,900,292/213,854,685.12 - Step 6: Final answer
x = 160,176,138.53
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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.