Finding the Fourth Proportional to 127,021,201,971.08, 190,475,891,832.78 and 67,315,875,831.87
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Solution
The fourth proportional to 127,021,201,971.08, 190,475,891,832.78 and 67,315,875,831.87 is: 100,944,183,212.02
Step by Step Solution
- Step 1: Write the proportion equation
127,021,201,971.08 : 190,475,891,832.78 = 67,315,875,831.87 : x - Step 2: Convert to fraction form
127,021,201,971.08/190,475,891,832.78 = 67,315,875,831.87/x - Step 3: Cross multiply
127,021,201,971.08x = 190,475,891,832.78 × 67,315,875,831.87 - Step 4: Simplify right side
127,021,201,971.08x = 12,822,051,483,580,119,384,064 - Step 5: Solve for x
x = 12,822,051,483,580,119,384,064/127,021,201,971.08 - Step 6: Final answer
x = 100,944,183,212.02
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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.