Finding the Fourth Proportional to 88,387,208,720.22, 121,974,396,964.74 and 47,742,119,987.70
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Solution
The fourth proportional to 88,387,208,720.22, 121,974,396,964.74 and 47,742,119,987.70 is: 65,884,152,012.89
Step by Step Solution
- Step 1: Write the proportion equation
88,387,208,720.22 : 121,974,396,964.74 = 47,742,119,987.70 : x - Step 2: Convert to fraction form
88,387,208,720.22/121,974,396,964.74 = 47,742,119,987.70/x - Step 3: Cross multiply
88,387,208,720.22x = 121,974,396,964.74 × 47,742,119,987.70 - Step 4: Simplify right side
88,387,208,720.22x = 5,823,316,295,317,967,601,664 - Step 5: Solve for x
x = 5,823,316,295,317,967,601,664/88,387,208,720.22 - Step 6: Final answer
x = 65,884,152,012.89
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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.