Finding the Fourth Proportional to 387,423,106.24, 581,136,758.88 and 114,796,235.20
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Solution
The fourth proportional to 387,423,106.24, 581,136,758.88 and 114,796,235.20 is: 172,194,974.90
Step by Step Solution
- Step 1: Write the proportion equation
387,423,106.24 : 581,136,758.88 = 114,796,235.20 : x - Step 2: Convert to fraction form
387,423,106.24/581,136,758.88 = 114,796,235.20/x - Step 3: Cross multiply
387,423,106.24x = 581,136,758.88 × 114,796,235.20 - Step 4: Simplify right side
387,423,106.24x = 66,712,312,055,754,168 - Step 5: Solve for x
x = 66,712,312,055,754,168/387,423,106.24 - Step 6: Final answer
x = 172,194,974.90
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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.