Finding the Fourth Proportional to 118,578,477,951.09, 163,638,299,572.50 and 67,829,420,614.68
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Solution
The fourth proportional to 118,578,477,951.09, 163,638,299,572.50 and 67,829,420,614.68 is: 93,604,600,448.26
Step by Step Solution
- Step 1: Write the proportion equation
118,578,477,951.09 : 163,638,299,572.50 = 67,829,420,614.68 : x - Step 2: Convert to fraction form
118,578,477,951.09/163,638,299,572.50 = 67,829,420,614.68/x - Step 3: Cross multiply
118,578,477,951.09x = 163,638,299,572.50 × 67,829,420,614.68 - Step 4: Simplify right side
118,578,477,951.09x = 11,099,491,050,374,113,001,472 - Step 5: Solve for x
x = 11,099,491,050,374,113,001,472/118,578,477,951.09 - Step 6: Final answer
x = 93,604,600,448.26
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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.