Finding the Fourth Proportional to 170,509,446.51, 235,249,321.99 and 104,360,984.43
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Solution
The fourth proportional to 170,509,446.51, 235,249,321.99 and 104,360,984.43 is: 143,985,282.53
Step by Step Solution
- Step 1: Write the proportion equation
170,509,446.51 : 235,249,321.99 = 104,360,984.43 : x - Step 2: Convert to fraction form
170,509,446.51/235,249,321.99 = 104,360,984.43/x - Step 3: Cross multiply
170,509,446.51x = 235,249,321.99 × 104,360,984.43 - Step 4: Simplify right side
170,509,446.51x = 24,550,850,829,366,448 - Step 5: Solve for x
x = 24,550,850,829,366,448/170,509,446.51 - Step 6: Final answer
x = 143,985,282.53
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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.