Finding the Fourth Proportional to 130,400,767.20, 195,476,734.80 and 48,497,714.40
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Solution
The fourth proportional to 130,400,767.20, 195,476,734.80 and 48,497,714.40 is: 72,700,299.70
Step by Step Solution
- Step 1: Write the proportion equation
130,400,767.20 : 195,476,734.80 = 48,497,714.40 : x - Step 2: Convert to fraction form
130,400,767.20/195,476,734.80 = 48,497,714.40/x - Step 3: Cross multiply
130,400,767.20x = 195,476,734.80 × 48,497,714.40 - Step 4: Simplify right side
130,400,767.20x = 9,480,174,856,174,942 - Step 5: Solve for x
x = 9,480,174,856,174,942/130,400,767.20 - Step 6: Final answer
x = 72,700,299.70
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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.