Finding the Fourth Proportional to 266,278,641.58, 367,465,024.71 and 148,803,972.43
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Solution
The fourth proportional to 266,278,641.58, 367,465,024.71 and 148,803,972.43 is: 205,349,760.99
Step by Step Solution
- Step 1: Write the proportion equation
266,278,641.58 : 367,465,024.71 = 148,803,972.43 : x - Step 2: Convert to fraction form
266,278,641.58/367,465,024.71 = 148,803,972.43/x - Step 3: Cross multiply
266,278,641.58x = 367,465,024.71 × 148,803,972.43 - Step 4: Simplify right side
266,278,641.58x = 54,680,255,405,936,112 - Step 5: Solve for x
x = 54,680,255,405,936,112/266,278,641.58 - Step 6: Final answer
x = 205,349,760.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.