Finding the Fourth Proportional to 77,220,720.68, 106,525,177.86 and 49,314,096.68
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Solution
The fourth proportional to 77,220,720.68, 106,525,177.86 and 49,314,096.68 is: 68,028,281.45
Step by Step Solution
- Step 1: Write the proportion equation
77,220,720.68 : 106,525,177.86 = 49,314,096.68 : x - Step 2: Convert to fraction form
77,220,720.68/106,525,177.86 = 49,314,096.68/x - Step 3: Cross multiply
77,220,720.68x = 106,525,177.86 × 49,314,096.68 - Step 4: Simplify right side
77,220,720.68x = 5,253,192,919,842,235 - Step 5: Solve for x
x = 5,253,192,919,842,235/77,220,720.68 - Step 6: Final answer
x = 68,028,281.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.