Finding the Fourth Proportional to 66,605,898.44, 99,907,714.52 and 19,919,490.94
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Solution
The fourth proportional to 66,605,898.44, 99,907,714.52 and 19,919,490.94 is: 29,878,897.53
Step by Step Solution
- Step 1: Write the proportion equation
66,605,898.44 : 99,907,714.52 = 19,919,490.94 : x - Step 2: Convert to fraction form
66,605,898.44/99,907,714.52 = 19,919,490.94/x - Step 3: Cross multiply
66,605,898.44x = 99,907,714.52 × 19,919,490.94 - Step 4: Simplify right side
66,605,898.44x = 1,990,110,814,429,279 - Step 5: Solve for x
x = 1,990,110,814,429,279/66,605,898.44 - Step 6: Final answer
x = 29,878,897.53
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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.