Finding the Fourth Proportional to 292,403,613.60, 438,437,458.80 and 87,901,034.40
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Solution
The fourth proportional to 292,403,613.60, 438,437,458.80 and 87,901,034.40 is: 131,801,059.75
Step by Step Solution
- Step 1: Write the proportion equation
292,403,613.60 : 438,437,458.80 = 87,901,034.40 : x - Step 2: Convert to fraction form
292,403,613.60/438,437,458.80 = 87,901,034.40/x - Step 3: Cross multiply
292,403,613.60x = 438,437,458.80 × 87,901,034.40 - Step 4: Simplify right side
292,403,613.60x = 38,539,106,148,227,384 - Step 5: Solve for x
x = 38,539,106,148,227,384/292,403,613.60 - Step 6: Final answer
x = 131,801,059.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.