Finding the Fourth Proportional to 76,806,454.10, 115,209,797.99 and 31,368,248.60
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Solution
The fourth proportional to 76,806,454.10, 115,209,797.99 and 31,368,248.60 is: 47,052,420.61
Step by Step Solution
- Step 1: Write the proportion equation
76,806,454.10 : 115,209,797.99 = 31,368,248.60 : x - Step 2: Convert to fraction form
76,806,454.10/115,209,797.99 = 31,368,248.60/x - Step 3: Cross multiply
76,806,454.10x = 115,209,797.99 × 31,368,248.60 - Step 4: Simplify right side
76,806,454.10x = 3,613,929,583,773,210 - Step 5: Solve for x
x = 3,613,929,583,773,210/76,806,454.10 - Step 6: Final answer
x = 47,052,420.61
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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.