Finding the Fourth Proportional to 130,575,614.40, 195,639,472.80 and 62,271,230.40
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Solution
The fourth proportional to 130,575,614.40, 195,639,472.80 and 62,271,230.40 is: 93,300,044.90
Step by Step Solution
- Step 1: Write the proportion equation
130,575,614.40 : 195,639,472.80 = 62,271,230.40 : x - Step 2: Convert to fraction form
130,575,614.40/195,639,472.80 = 62,271,230.40/x - Step 3: Cross multiply
130,575,614.40x = 195,639,472.80 × 62,271,230.40 - Step 4: Simplify right side
130,575,614.40x = 12,182,710,686,063,334 - Step 5: Solve for x
x = 12,182,710,686,063,334/130,575,614.40 - Step 6: Final answer
x = 93,300,044.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.