Finding the Fourth Proportional to 88,387,208,621.77, 121,974,396,828.81 and 47,742,119,889.25
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Solution
The fourth proportional to 88,387,208,621.77, 121,974,396,828.81 and 47,742,119,889.25 is: 65,884,151,876.99
Step by Step Solution
- Step 1: Write the proportion equation
88,387,208,621.77 : 121,974,396,828.81 = 47,742,119,889.25 : x - Step 2: Convert to fraction form
88,387,208,621.77/121,974,396,828.81 = 47,742,119,889.25/x - Step 3: Cross multiply
88,387,208,621.77x = 121,974,396,828.81 × 47,742,119,889.25 - Step 4: Simplify right side
88,387,208,621.77x = 5,823,316,276,820,001,685,504 - Step 5: Solve for x
x = 5,823,316,276,820,001,685,504/88,387,208,621.77 - Step 6: Final answer
x = 65,884,151,876.99
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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.