Finding the Fourth Proportional to 77,031,562.48, 106,304,840.58 and 41,750,494.54
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Solution
The fourth proportional to 77,031,562.48, 106,304,840.58 and 41,750,494.54 is: 57,616,378.58
Step by Step Solution
- Step 1: Write the proportion equation
77,031,562.48 : 106,304,840.58 = 41,750,494.54 : x - Step 2: Convert to fraction form
77,031,562.48/106,304,840.58 = 41,750,494.54/x - Step 3: Cross multiply
77,031,562.48x = 106,304,840.58 × 41,750,494.54 - Step 4: Simplify right side
77,031,562.48x = 4,438,279,666,210,860.50 - Step 5: Solve for x
x = 4,438,279,666,210,860.50/77,031,562.48 - Step 6: Final answer
x = 57,616,378.58
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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.