Finding the Fourth Proportional to 316,506,403.26, 436,992,123.42 and 197,610,206.58
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Solution
The fourth proportional to 316,506,403.26, 436,992,123.42 and 197,610,206.58 is: 272,835,250.39
Step by Step Solution
- Step 1: Write the proportion equation
316,506,403.26 : 436,992,123.42 = 197,610,206.58 : x - Step 2: Convert to fraction form
316,506,403.26/436,992,123.42 = 197,610,206.58/x - Step 3: Cross multiply
316,506,403.26x = 436,992,123.42 × 197,610,206.58 - Step 4: Simplify right side
316,506,403.26x = 86,354,103,782,859,072 - Step 5: Solve for x
x = 86,354,103,782,859,072/316,506,403.26 - Step 6: Final answer
x = 272,835,250.39
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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.