Finding the Fourth Proportional to 88,387,208,616.76, 121,974,396,821.92 and 47,742,119,884.24
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Solution
The fourth proportional to 88,387,208,616.76, 121,974,396,821.92 and 47,742,119,884.24 is: 65,884,151,870.09
Step by Step Solution
- Step 1: Write the proportion equation
88,387,208,616.76 : 121,974,396,821.92 = 47,742,119,884.24 : x - Step 2: Convert to fraction form
88,387,208,616.76/121,974,396,821.92 = 47,742,119,884.24/x - Step 3: Cross multiply
88,387,208,616.76x = 121,974,396,821.92 × 47,742,119,884.24 - Step 4: Simplify right side
88,387,208,616.76x = 5,823,316,275,879,966,932,992 - Step 5: Solve for x
x = 5,823,316,275,879,966,932,992/88,387,208,616.76 - Step 6: Final answer
x = 65,884,151,870.09
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1.5x scale
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.