Finding the Fourth Proportional to 90,841,562.44, 125,344,818.36 and 51,142,919.74
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Solution
The fourth proportional to 90,841,562.44, 125,344,818.36 and 51,142,919.74 is: 70,567,918.61
Step by Step Solution
- Step 1: Write the proportion equation
90,841,562.44 : 125,344,818.36 = 51,142,919.74 : x - Step 2: Convert to fraction form
90,841,562.44/125,344,818.36 = 51,142,919.74/x - Step 3: Cross multiply
90,841,562.44x = 125,344,818.36 × 51,142,919.74 - Step 4: Simplify right side
90,841,562.44x = 6,410,499,984,896,996 - Step 5: Solve for x
x = 6,410,499,984,896,996/90,841,562.44 - Step 6: Final answer
x = 70,567,918.61
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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.