Finding the Fourth Proportional to 122,804,140.98, 169,484,575.12 and 69,893,713.07
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Solution
The fourth proportional to 122,804,140.98, 169,484,575.12 and 69,893,713.07 is: 96,461,781.89
Step by Step Solution
- Step 1: Write the proportion equation
122,804,140.98 : 169,484,575.12 = 69,893,713.07 : x - Step 2: Convert to fraction form
122,804,140.98/169,484,575.12 = 69,893,713.07/x - Step 3: Cross multiply
122,804,140.98x = 169,484,575.12 × 69,893,713.07 - Step 4: Simplify right side
122,804,140.98x = 11,845,906,262,205,984 - Step 5: Solve for x
x = 11,845,906,262,205,984/122,804,140.98 - Step 6: Final answer
x = 96,461,781.89
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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.