Finding the Fourth Proportional to 126,105,931.68, 174,026,260.35 and 70,351,352.34
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Solution
The fourth proportional to 126,105,931.68, 174,026,260.35 and 70,351,352.34 is: 97,084,907.86
Step by Step Solution
- Step 1: Write the proportion equation
126,105,931.68 : 174,026,260.35 = 70,351,352.34 : x - Step 2: Convert to fraction form
126,105,931.68/174,026,260.35 = 70,351,352.34/x - Step 3: Cross multiply
126,105,931.68x = 174,026,260.35 × 70,351,352.34 - Step 4: Simplify right side
126,105,931.68x = 12,242,982,758,295,422 - Step 5: Solve for x
x = 12,242,982,758,295,422/126,105,931.68 - Step 6: Final answer
x = 97,084,907.86
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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.