Finding the Fourth Proportional to 258,602,418.80, 356,878,896.72 and 141,135,288.08
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Solution
The fourth proportional to 258,602,418.80, 356,878,896.72 and 141,135,288.08 is: 194,770,822.84
Step by Step Solution
- Step 1: Write the proportion equation
258,602,418.80 : 356,878,896.72 = 141,135,288.08 : x - Step 2: Convert to fraction form
258,602,418.80/356,878,896.72 = 141,135,288.08/x - Step 3: Cross multiply
258,602,418.80x = 356,878,896.72 × 141,135,288.08 - Step 4: Simplify right side
258,602,418.80x = 50,368,205,898,249,776 - Step 5: Solve for x
x = 50,368,205,898,249,776/258,602,418.80 - Step 6: Final answer
x = 194,770,822.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.