Finding the Fourth Proportional to 125,751,307,144.95, 173,552,021,448.61 and 71,571,029,464.71
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Solution
The fourth proportional to 125,751,307,144.95, 173,552,021,448.61 and 71,571,029,464.71 is: 98,776,681,712.27
Step by Step Solution
- Step 1: Write the proportion equation
125,751,307,144.95 : 173,552,021,448.61 = 71,571,029,464.71 : x - Step 2: Convert to fraction form
125,751,307,144.95/173,552,021,448.61 = 71,571,029,464.71/x - Step 3: Cross multiply
125,751,307,144.95x = 173,552,021,448.61 × 71,571,029,464.71 - Step 4: Simplify right side
125,751,307,144.95x = 12,421,296,840,758,448,357,376 - Step 5: Solve for x
x = 12,421,296,840,758,448,357,376/125,751,307,144.95 - Step 6: Final answer
x = 98,776,681,712.27
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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.