Finding the Fourth Proportional to 66,574,101.60, 99,639,968.40 and 48,326,421.60
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Solution
The fourth proportional to 66,574,101.60, 99,639,968.40 and 48,326,421.60 is: 72,329,074.00
Step by Step Solution
- Step 1: Write the proportion equation
66,574,101.60 : 99,639,968.40 = 48,326,421.60 : x - Step 2: Convert to fraction form
66,574,101.60/99,639,968.40 = 48,326,421.60/x - Step 3: Cross multiply
66,574,101.60x = 99,639,968.40 × 48,326,421.60 - Step 4: Simplify right side
66,574,101.60x = 4,815,243,121,109,078 - Step 5: Solve for x
x = 4,815,243,121,109,078/66,574,101.60 - Step 6: Final answer
x = 72,329,074.00
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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.