Finding the Fourth Proportional to 53,449,412.68, 73,761,824.10 and 31,418,870.68
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Solution
The fourth proportional to 53,449,412.68, 73,761,824.10 and 31,418,870.68 is: 43,359,002.40
Step by Step Solution
- Step 1: Write the proportion equation
53,449,412.68 : 73,761,824.10 = 31,418,870.68 : x - Step 2: Convert to fraction form
53,449,412.68/73,761,824.10 = 31,418,870.68/x - Step 3: Cross multiply
53,449,412.68x = 73,761,824.10 × 31,418,870.68 - Step 4: Simplify right side
53,449,412.68x = 2,317,513,212,518,807 - Step 5: Solve for x
x = 2,317,513,212,518,807/53,449,412.68 - Step 6: Final answer
x = 43,359,002.40
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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.