Finding the Fourth Proportional to 86,068,590,776.16, 118,812,746,155.14 and 55,599,633,971.97
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Solution
The fourth proportional to 86,068,590,776.16, 118,812,746,155.14 and 55,599,633,971.97 is: 76,752,101,293.38
Step by Step Solution
- Step 1: Write the proportion equation
86,068,590,776.16 : 118,812,746,155.14 = 55,599,633,971.97 : x - Step 2: Convert to fraction form
86,068,590,776.16/118,812,746,155.14 = 55,599,633,971.97/x - Step 3: Cross multiply
86,068,590,776.16x = 118,812,746,155.14 × 55,599,633,971.97 - Step 4: Simplify right side
86,068,590,776.16x = 6,605,945,197,430,369,681,408 - Step 5: Solve for x
x = 6,605,945,197,430,369,681,408/86,068,590,776.16 - Step 6: Final answer
x = 76,752,101,293.38
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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.