Finding the Fourth Proportional to 258,965,281.92, 357,367,918.08 and 141,488,088.96
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Solution
The fourth proportional to 258,965,281.92, 357,367,918.08 and 141,488,088.96 is: 195,251,283.92
Step by Step Solution
- Step 1: Write the proportion equation
258,965,281.92 : 357,367,918.08 = 141,488,088.96 : x - Step 2: Convert to fraction form
258,965,281.92/357,367,918.08 = 141,488,088.96/x - Step 3: Cross multiply
258,965,281.92x = 357,367,918.08 × 141,488,088.96 - Step 4: Simplify right side
258,965,281.92x = 50,563,303,784,753,032 - Step 5: Solve for x
x = 50,563,303,784,753,032/258,965,281.92 - Step 6: Final answer
x = 195,251,283.92
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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.