Finding the Fourth Proportional to 246,773,668.30, 340,547,694.51 and 136,772,483.02
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Solution
The fourth proportional to 246,773,668.30, 340,547,694.51 and 136,772,483.02 is: 188,746,044.45
Step by Step Solution
- Step 1: Write the proportion equation
246,773,668.30 : 340,547,694.51 = 136,772,483.02 : x - Step 2: Convert to fraction form
246,773,668.30/340,547,694.51 = 136,772,483.02/x - Step 3: Cross multiply
246,773,668.30x = 340,547,694.51 × 136,772,483.02 - Step 4: Simplify right side
246,773,668.30x = 46,577,553,764,869,128 - Step 5: Solve for x
x = 46,577,553,764,869,128/246,773,668.30 - Step 6: Final answer
x = 188,746,044.45
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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.