Finding the Fourth Proportional to 146,157,210.81, 201,671,315.73 and 83,404,657.53
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Solution
The fourth proportional to 146,157,210.81, 201,671,315.73 and 83,404,657.53 is: 115,083,798.66
Step by Step Solution
- Step 1: Write the proportion equation
146,157,210.81 : 201,671,315.73 = 83,404,657.53 : x - Step 2: Convert to fraction form
146,157,210.81/201,671,315.73 = 83,404,657.53/x - Step 3: Cross multiply
146,157,210.81x = 201,671,315.73 × 83,404,657.53 - Step 4: Simplify right side
146,157,210.81x = 16,820,327,022,085,152 - Step 5: Solve for x
x = 16,820,327,022,085,152/146,157,210.81 - Step 6: Final answer
x = 115,083,798.66
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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.