Finding the Fourth Proportional to 45,649,431.72, 68,312,510.36 and 28,385,762.21
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Solution
The fourth proportional to 45,649,431.72, 68,312,510.36 and 28,385,762.21 is: 42,478,133.93
Step by Step Solution
- Step 1: Write the proportion equation
45,649,431.72 : 68,312,510.36 = 28,385,762.21 : x - Step 2: Convert to fraction form
45,649,431.72/68,312,510.36 = 28,385,762.21/x - Step 3: Cross multiply
45,649,431.72x = 68,312,510.36 × 28,385,762.21 - Step 4: Simplify right side
45,649,431.72x = 1,939,102,674,563,630.25 - Step 5: Solve for x
x = 1,939,102,674,563,630.25/45,649,431.72 - Step 6: Final answer
x = 42,478,133.93
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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.