Finding the Fourth Proportional to 51,480,391.12, 71,047,321.05 and 29,157,347.99
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Solution
The fourth proportional to 51,480,391.12, 71,047,321.05 and 29,157,347.99 is: 40,239,621.70
Step by Step Solution
- Step 1: Write the proportion equation
51,480,391.12 : 71,047,321.05 = 29,157,347.99 : x - Step 2: Convert to fraction form
51,480,391.12/71,047,321.05 = 29,157,347.99/x - Step 3: Cross multiply
51,480,391.12x = 71,047,321.05 × 29,157,347.99 - Step 4: Simplify right side
51,480,391.12x = 2,071,551,463,466,315.50 - Step 5: Solve for x
x = 2,071,551,463,466,315.50/51,480,391.12 - Step 6: Final answer
x = 40,239,621.70
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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.