Finding the Fourth Proportional to 262,028,142.24, 392,835,117.36 and 130,803,069.60
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Solution
The fourth proportional to 262,028,142.24, 392,835,117.36 and 130,803,069.60 is: 196,101,223.17
Step by Step Solution
- Step 1: Write the proportion equation
262,028,142.24 : 392,835,117.36 = 130,803,069.60 : x - Step 2: Convert to fraction form
262,028,142.24/392,835,117.36 = 130,803,069.60/x - Step 3: Cross multiply
262,028,142.24x = 392,835,117.36 × 130,803,069.60 - Step 4: Simplify right side
262,028,142.24x = 51,384,039,197,364,248 - Step 5: Solve for x
x = 51,384,039,197,364,248/262,028,142.24 - Step 6: Final answer
x = 196,101,223.17
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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.