Finding the Fourth Proportional to 249,673,905.63, 374,658,810.75 and 139,102,125.12
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Solution
The fourth proportional to 249,673,905.63, 374,658,810.75 and 139,102,125.12 is: 208,735,617.12
Step by Step Solution
- Step 1: Write the proportion equation
249,673,905.63 : 374,658,810.75 = 139,102,125.12 : x - Step 2: Convert to fraction form
249,673,905.63/374,658,810.75 = 139,102,125.12/x - Step 3: Cross multiply
249,673,905.63x = 374,658,810.75 × 139,102,125.12 - Step 4: Simplify right side
249,673,905.63x = 52,115,836,770,256,904 - Step 5: Solve for x
x = 52,115,836,770,256,904/249,673,905.63 - Step 6: Final answer
x = 208,735,617.12
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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.