Finding the Fourth Proportional to 130,400,841.20, 195,476,845.80 and 48,497,788.40
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Solution
The fourth proportional to 130,400,841.20, 195,476,845.80 and 48,497,788.40 is: 72,700,410.65
Step by Step Solution
- Step 1: Write the proportion equation
130,400,841.20 : 195,476,845.80 = 48,497,788.40 : x - Step 2: Convert to fraction form
130,400,841.20/195,476,845.80 = 48,497,788.40/x - Step 3: Cross multiply
130,400,841.20x = 195,476,845.80 × 48,497,788.40 - Step 4: Simplify right side
130,400,841.20x = 9,480,194,704,707,830 - Step 5: Solve for x
x = 9,480,194,704,707,830/130,400,841.20 - Step 6: Final answer
x = 72,700,410.65
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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.