Finding the Fourth Proportional to 128,817,229, 177,767,776.02 and 70,869,232.84
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Solution
The fourth proportional to 128,817,229, 177,767,776.02 and 70,869,232.84 is: 97,799,541.32
Step by Step Solution
- Step 1: Write the proportion equation
128,817,229 : 177,767,776.02 = 70,869,232.84 : x - Step 2: Convert to fraction form
128,817,229/177,767,776.02 = 70,869,232.84/x - Step 3: Cross multiply
128,817,229x = 177,767,776.02 × 70,869,232.84 - Step 4: Simplify right side
128,817,229x = 12,598,265,910,210,350 - Step 5: Solve for x
x = 12,598,265,910,210,350/128,817,229 - Step 6: Final answer
x = 97,799,541.32
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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.