Finding the Fourth Proportional to 143,968,803.95, 216,074,322.11 and 134,888,625.99
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Solution
The fourth proportional to 143,968,803.95, 216,074,322.11 and 134,888,625.99 is: 202,446,416.32
Step by Step Solution
- Step 1: Write the proportion equation
143,968,803.95 : 216,074,322.11 = 134,888,625.99 : x - Step 2: Convert to fraction form
143,968,803.95/216,074,322.11 = 134,888,625.99/x - Step 3: Cross multiply
143,968,803.95x = 216,074,322.11 × 134,888,625.99 - Step 4: Simplify right side
143,968,803.95x = 29,145,968,420,464,136 - Step 5: Solve for x
x = 29,145,968,420,464,136/143,968,803.95 - Step 6: Final answer
x = 202,446,416.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.