Finding the Fourth Proportional to 145,025,941.19, 217,393,457.36 and 67,357,389.98
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Solution
The fourth proportional to 145,025,941.19, 217,393,457.36 and 67,357,389.98 is: 100,968,528.58
Step by Step Solution
- Step 1: Write the proportion equation
145,025,941.19 : 217,393,457.36 = 67,357,389.98 : x - Step 2: Convert to fraction form
145,025,941.19/217,393,457.36 = 67,357,389.98/x - Step 3: Cross multiply
145,025,941.19x = 217,393,457.36 × 67,357,389.98 - Step 4: Simplify right side
145,025,941.19x = 14,643,055,886,704,718 - Step 5: Solve for x
x = 14,643,055,886,704,718/145,025,941.19 - Step 6: Final answer
x = 100,968,528.58
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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.