Finding the Fourth Proportional to 42,707,449.90, 64,163,373.05 and 27,384,760.19
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Solution
The fourth proportional to 42,707,449.90, 64,163,373.05 and 27,384,760.19 is: 41,142,671.55
Step by Step Solution
- Step 1: Write the proportion equation
42,707,449.90 : 64,163,373.05 = 27,384,760.19 : x - Step 2: Convert to fraction form
42,707,449.90/64,163,373.05 = 27,384,760.19/x - Step 3: Cross multiply
42,707,449.90x = 64,163,373.05 × 27,384,760.19 - Step 4: Simplify right side
42,707,449.90x = 1,757,098,583,955,759 - Step 5: Solve for x
x = 1,757,098,583,955,759/42,707,449.90 - Step 6: Final answer
x = 41,142,671.55
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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.