Finding the Fourth Proportional to 290,614,869.32, 435,675,405.33 and 135,258,894.02
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Solution
The fourth proportional to 290,614,869.32, 435,675,405.33 and 135,258,894.02 is: 202,773,428.68
Step by Step Solution
- Step 1: Write the proportion equation
290,614,869.32 : 435,675,405.33 = 135,258,894.02 : x - Step 2: Convert to fraction form
290,614,869.32/435,675,405.33 = 135,258,894.02/x - Step 3: Cross multiply
290,614,869.32x = 435,675,405.33 × 135,258,894.02 - Step 4: Simplify right side
290,614,869.32x = 58,928,973,477,740,200 - Step 5: Solve for x
x = 58,928,973,477,740,200/290,614,869.32 - Step 6: Final answer
x = 202,773,428.68
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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.