Finding the Fourth Proportional to 130,070,968.94, 195,106,351.88 and 39,194,559.02
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Solution
The fourth proportional to 130,070,968.94, 195,106,351.88 and 39,194,559.02 is: 58,791,807.94
Step by Step Solution
- Step 1: Write the proportion equation
130,070,968.94 : 195,106,351.88 = 39,194,559.02 : x - Step 2: Convert to fraction form
130,070,968.94/195,106,351.88 = 39,194,559.02/x - Step 3: Cross multiply
130,070,968.94x = 195,106,351.88 × 39,194,559.02 - Step 4: Simplify right side
130,070,968.94x = 7,647,107,423,937,548 - Step 5: Solve for x
x = 7,647,107,423,937,548/130,070,968.94 - Step 6: Final answer
x = 58,791,807.94
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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.