Finding the Fourth Proportional to 240,072,526.71, 331,295,768.28 and 135,648,356.02
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Solution
The fourth proportional to 240,072,526.71, 331,295,768.28 and 135,648,356.02 is: 187,192,291.17
Step by Step Solution
- Step 1: Write the proportion equation
240,072,526.71 : 331,295,768.28 = 135,648,356.02 : x - Step 2: Convert to fraction form
240,072,526.71/331,295,768.28 = 135,648,356.02/x - Step 3: Cross multiply
240,072,526.71x = 331,295,768.28 × 135,648,356.02 - Step 4: Simplify right side
240,072,526.71x = 44,939,726,322,736,624 - Step 5: Solve for x
x = 44,939,726,322,736,624/240,072,526.71 - Step 6: Final answer
x = 187,192,291.17
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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.