Finding the Fourth Proportional to 74,879,781.57, 112,331,741.67 and 23,064,360.14
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Solution
The fourth proportional to 74,879,781.57, 112,331,741.67 and 23,064,360.14 is: 34,600,257.78
Step by Step Solution
- Step 1: Write the proportion equation
74,879,781.57 : 112,331,741.67 = 23,064,360.14 : x - Step 2: Convert to fraction form
74,879,781.57/112,331,741.67 = 23,064,360.14/x - Step 3: Cross multiply
74,879,781.57x = 112,331,741.67 × 23,064,360.14 - Step 4: Simplify right side
74,879,781.57x = 2,590,859,745,030,325 - Step 5: Solve for x
x = 2,590,859,745,030,325/74,879,781.57 - Step 6: Final answer
x = 34,600,257.78
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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.