Finding the Fourth Proportional to 286,729,890.74, 430,097,325.19 and 92,641,326.68
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Solution
The fourth proportional to 286,729,890.74, 430,097,325.19 and 92,641,326.68 is: 138,962,794.22
Step by Step Solution
- Step 1: Write the proportion equation
286,729,890.74 : 430,097,325.19 = 92,641,326.68 : x - Step 2: Convert to fraction form
286,729,890.74/430,097,325.19 = 92,641,326.68/x - Step 3: Cross multiply
286,729,890.74x = 430,097,325.19 × 92,641,326.68 - Step 4: Simplify right side
286,729,890.74x = 39,844,786,804,507,288 - Step 5: Solve for x
x = 39,844,786,804,507,288/286,729,890.74 - Step 6: Final answer
x = 138,962,794.22
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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.