Finding the Fourth Proportional to 163,224,068.68, 225,246,989.34 and 92,659,065.10
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Solution
The fourth proportional to 163,224,068.68, 225,246,989.34 and 92,659,065.10 is: 127,868,246.50
Step by Step Solution
- Step 1: Write the proportion equation
163,224,068.68 : 225,246,989.34 = 92,659,065.10 : x - Step 2: Convert to fraction form
163,224,068.68/225,246,989.34 = 92,659,065.10/x - Step 3: Cross multiply
163,224,068.68x = 225,246,989.34 × 92,659,065.10 - Step 4: Simplify right side
163,224,068.68x = 20,871,175,448,834,064 - Step 5: Solve for x
x = 20,871,175,448,834,064/163,224,068.68 - Step 6: Final answer
x = 127,868,246.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.