Finding the Fourth Proportional to 77,557,171,212.09, 116,326,128,091.16 and 20,901,466,515.28
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Solution
The fourth proportional to 77,557,171,212.09, 116,326,128,091.16 and 20,901,466,515.28 is: 31,349,604,854.73
Step by Step Solution
- Step 1: Write the proportion equation
77,557,171,212.09 : 116,326,128,091.16 = 20,901,466,515.28 : x - Step 2: Convert to fraction form
77,557,171,212.09/116,326,128,091.16 = 20,901,466,515.28/x - Step 3: Cross multiply
77,557,171,212.09x = 116,326,128,091.16 × 20,901,466,515.28 - Step 4: Simplify right side
77,557,171,212.09x = 2,431,386,671,150,018,330,624 - Step 5: Solve for x
x = 2,431,386,671,150,018,330,624/77,557,171,212.09 - Step 6: Final answer
x = 31,349,604,854.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.