Finding the Fourth Proportional to 258,602,403.68, 356,878,875.85 and 141,135,272.90
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Solution
The fourth proportional to 258,602,403.68, 356,878,875.85 and 141,135,272.90 is: 194,770,801.89
Step by Step Solution
- Step 1: Write the proportion equation
258,602,403.68 : 356,878,875.85 = 141,135,272.90 : x - Step 2: Convert to fraction form
258,602,403.68/356,878,875.85 = 141,135,272.90/x - Step 3: Cross multiply
258,602,403.68x = 356,878,875.85 × 141,135,272.90 - Step 4: Simplify right side
258,602,403.68x = 50,368,197,533,197,744 - Step 5: Solve for x
x = 50,368,197,533,197,744/258,602,403.68 - Step 6: Final answer
x = 194,770,801.89
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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.