Finding the Fourth Proportional to 238,972,628.01, 358,497,248.61 and 100,818,584.99
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Solution
The fourth proportional to 238,972,628.01, 358,497,248.61 and 100,818,584.99 is: 151,244,038.40
Step by Step Solution
- Step 1: Write the proportion equation
238,972,628.01 : 358,497,248.61 = 100,818,584.99 : x - Step 2: Convert to fraction form
238,972,628.01/358,497,248.61 = 100,818,584.99/x - Step 3: Cross multiply
238,972,628.01x = 358,497,248.61 × 100,818,584.99 - Step 4: Simplify right side
238,972,628.01x = 36,143,185,327,668,440 - Step 5: Solve for x
x = 36,143,185,327,668,440/238,972,628.01 - Step 6: Final answer
x = 151,244,038.40
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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.