Finding the Fourth Proportional to 125,301,118,562.05, 172,915,562,269.21 and 68,208,862,475.93
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Solution
The fourth proportional to 125,301,118,562.05, 172,915,562,269.21 and 68,208,862,475.93 is: 94,128,240,371.03
Step by Step Solution
- Step 1: Write the proportion equation
125,301,118,562.05 : 172,915,562,269.21 = 68,208,862,475.93 : x - Step 2: Convert to fraction form
125,301,118,562.05/172,915,562,269.21 = 68,208,862,475.93/x - Step 3: Cross multiply
125,301,118,562.05x = 172,915,562,269.21 × 68,208,862,475.93 - Step 4: Simplify right side
125,301,118,562.05x = 11,794,373,806,767,791,407,104 - Step 5: Solve for x
x = 11,794,373,806,767,791,407,104/125,301,118,562.05 - Step 6: Final answer
x = 94,128,240,371.03
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1.5x scale
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.