Finding the Fourth Proportional to 258,423,402.94, 387,589,078.98 and 102,964,182.10
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Solution
The fourth proportional to 258,423,402.94, 387,589,078.98 and 102,964,182.10 is: 154,427,935.14
Step by Step Solution
- Step 1: Write the proportion equation
258,423,402.94 : 387,589,078.98 = 102,964,182.10 : x - Step 2: Convert to fraction form
258,423,402.94/387,589,078.98 = 102,964,182.10/x - Step 3: Cross multiply
258,423,402.94x = 387,589,078.98 × 102,964,182.10 - Step 4: Simplify right side
258,423,402.94x = 39,907,792,508,068,000 - Step 5: Solve for x
x = 39,907,792,508,068,000/258,423,402.94 - Step 6: Final answer
x = 154,427,935.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.