Finding the Fourth Proportional to 93,312,099.80, 139,968,149.70 and 84,809,043.80
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Solution
The fourth proportional to 93,312,099.80, 139,968,149.70 and 84,809,043.80 is: 127,213,565.70
Step by Step Solution
- Step 1: Write the proportion equation
93,312,099.80 : 139,968,149.70 = 84,809,043.80 : x - Step 2: Convert to fraction form
93,312,099.80/139,968,149.70 = 84,809,043.80/x - Step 3: Cross multiply
93,312,099.80x = 139,968,149.70 × 84,809,043.80 - Step 4: Simplify right side
93,312,099.80x = 11,870,564,938,512,256 - Step 5: Solve for x
x = 11,870,564,938,512,256/93,312,099.80 - Step 6: Final answer
x = 127,213,565.70
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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.