Finding the Fourth Proportional to 145,180,926.64, 217,771,191.42 and 67,415,306.14
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Solution
The fourth proportional to 145,180,926.64, 217,771,191.42 and 67,415,306.14 is: 101,122,867.02
Step by Step Solution
- Step 1: Write the proportion equation
145,180,926.64 : 217,771,191.42 = 67,415,306.14 : x - Step 2: Convert to fraction form
145,180,926.64/217,771,191.42 = 67,415,306.14/x - Step 3: Cross multiply
145,180,926.64x = 217,771,191.42 × 67,415,306.14 - Step 4: Simplify right side
145,180,926.64x = 14,681,111,538,051,840 - Step 5: Solve for x
x = 14,681,111,538,051,840/145,180,926.64 - Step 6: Final answer
x = 101,122,867.02
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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.