Finding the Fourth Proportional to 149,792,455.80, 224,688,683.70 and 127,117,639.80
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Solution
The fourth proportional to 149,792,455.80, 224,688,683.70 and 127,117,639.80 is: 190,676,459.70
Step by Step Solution
- Step 1: Write the proportion equation
149,792,455.80 : 224,688,683.70 = 127,117,639.80 : x - Step 2: Convert to fraction form
149,792,455.80/224,688,683.70 = 127,117,639.80/x - Step 3: Cross multiply
149,792,455.80x = 224,688,683.70 × 127,117,639.80 - Step 4: Simplify right side
149,792,455.80x = 28,561,895,161,712,728 - Step 5: Solve for x
x = 28,561,895,161,712,728/149,792,455.80 - Step 6: Final answer
x = 190,676,459.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.