Finding the Fourth Proportional to 66,909,661.88, 100,364,354.73 and 37,750,263.93
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Solution
The fourth proportional to 66,909,661.88, 100,364,354.73 and 37,750,263.93 is: 56,625,317.99
Step by Step Solution
- Step 1: Write the proportion equation
66,909,661.88 : 100,364,354.73 = 37,750,263.93 : x - Step 2: Convert to fraction form
66,909,661.88/100,364,354.73 = 37,750,263.93/x - Step 3: Cross multiply
66,909,661.88x = 100,364,354.73 × 37,750,263.93 - Step 4: Simplify right side
66,909,661.88x = 3,788,780,880,221,644 - Step 5: Solve for x
x = 3,788,780,880,221,644/66,909,661.88 - Step 6: Final answer
x = 56,625,317.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.