Finding the Fourth Proportional to 130,340,827.80, 195,537,485.70 and 38,224,387.80
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Solution
The fourth proportional to 130,340,827.80, 195,537,485.70 and 38,224,387.80 is: 57,344,278.14
Step by Step Solution
- Step 1: Write the proportion equation
130,340,827.80 : 195,537,485.70 = 38,224,387.80 : x - Step 2: Convert to fraction form
130,340,827.80/195,537,485.70 = 38,224,387.80/x - Step 3: Cross multiply
130,340,827.80x = 195,537,485.70 × 38,224,387.80 - Step 4: Simplify right side
130,340,827.80x = 7,474,300,682,833,753 - Step 5: Solve for x
x = 7,474,300,682,833,753/130,340,827.80 - Step 6: Final answer
x = 57,344,278.14
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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.