Finding the Fourth Proportional to 170,862,492.48, 235,725,159.60 and 126,315,430.08
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Solution
The fourth proportional to 170,862,492.48, 235,725,159.60 and 126,315,430.08 is: 174,267,181.07
Step by Step Solution
- Step 1: Write the proportion equation
170,862,492.48 : 235,725,159.60 = 126,315,430.08 : x - Step 2: Convert to fraction form
170,862,492.48/235,725,159.60 = 126,315,430.08/x - Step 3: Cross multiply
170,862,492.48x = 235,725,159.60 × 126,315,430.08 - Step 4: Simplify right side
170,862,492.48x = 29,775,724,915,550,640 - Step 5: Solve for x
x = 29,775,724,915,550,640/170,862,492.48 - Step 6: Final answer
x = 174,267,181.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.