Finding the Fourth Proportional to 126,056,533.10, 173,971,389.74 and 73,889,398.80
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Solution
The fourth proportional to 126,056,533.10, 173,971,389.74 and 73,889,398.80 is: 101,975,209.70
Step by Step Solution
- Step 1: Write the proportion equation
126,056,533.10 : 173,971,389.74 = 73,889,398.80 : x - Step 2: Convert to fraction form
126,056,533.10/173,971,389.74 = 73,889,398.80/x - Step 3: Cross multiply
126,056,533.10x = 173,971,389.74 × 73,889,398.80 - Step 4: Simplify right side
126,056,533.10x = 12,854,641,395,919,642 - Step 5: Solve for x
x = 12,854,641,395,919,642/126,056,533.10 - Step 6: Final answer
x = 101,975,209.70
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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.