Finding the Fourth Proportional to 122,560,280.66, 169,128,097.98 and 66,804,474.08
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Solution
The fourth proportional to 122,560,280.66, 169,128,097.98 and 66,804,474.08 is: 92,187,400.17
Step by Step Solution
- Step 1: Write the proportion equation
122,560,280.66 : 169,128,097.98 = 66,804,474.08 : x - Step 2: Convert to fraction form
122,560,280.66/169,128,097.98 = 66,804,474.08/x - Step 3: Cross multiply
122,560,280.66x = 169,128,097.98 × 66,804,474.08 - Step 4: Simplify right side
122,560,280.66x = 11,298,513,637,704,610 - Step 5: Solve for x
x = 11,298,513,637,704,610/122,560,280.66 - Step 6: Final answer
x = 92,187,400.17
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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.