Finding the Fourth Proportional to 122,564,832,441.93, 169,142,464,821.64 and 68,370,995,635.07
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Solution
The fourth proportional to 122,564,832,441.93, 169,142,464,821.64 and 68,370,995,635.07 is: 94,353,645,279.97
Step by Step Solution
- Step 1: Write the proportion equation
122,564,832,441.93 : 169,142,464,821.64 = 68,370,995,635.07 : x - Step 2: Convert to fraction form
122,564,832,441.93/169,142,464,821.64 = 68,370,995,635.07/x - Step 3: Cross multiply
122,564,832,441.93x = 169,142,464,821.64 × 68,370,995,635.07 - Step 4: Simplify right side
122,564,832,441.93x = 11,564,438,724,024,484,233,216 - Step 5: Solve for x
x = 11,564,438,724,024,484,233,216/122,564,832,441.93 - Step 6: Final answer
x = 94,353,645,279.97
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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.