Finding the Fourth Proportional to 178,780,386.84, 268,060,827.30 and 69,477,931.80
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Solution
The fourth proportional to 178,780,386.84, 268,060,827.30 and 69,477,931.80 is: 104,174,245.32
Step by Step Solution
- Step 1: Write the proportion equation
178,780,386.84 : 268,060,827.30 = 69,477,931.80 : x - Step 2: Convert to fraction form
178,780,386.84/268,060,827.30 = 69,477,931.80/x - Step 3: Cross multiply
178,780,386.84x = 268,060,827.30 × 69,477,931.80 - Step 4: Simplify right side
178,780,386.84x = 18,624,311,877,400,980 - Step 5: Solve for x
x = 18,624,311,877,400,980/178,780,386.84 - Step 6: Final answer
x = 104,174,245.32
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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.