Finding the Fourth Proportional to 246,920,929.66, 340,719,564 and 135,382,419.28
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Solution
The fourth proportional to 246,920,929.66, 340,719,564 and 135,382,419.28 is: 186,810,566.99
Step by Step Solution
- Step 1: Write the proportion equation
246,920,929.66 : 340,719,564 = 135,382,419.28 : x - Step 2: Convert to fraction form
246,920,929.66/340,719,564 = 135,382,419.28/x - Step 3: Cross multiply
246,920,929.66x = 340,719,564 × 135,382,419.28 - Step 4: Simplify right side
246,920,929.66x = 46,127,438,870,346,792 - Step 5: Solve for x
x = 46,127,438,870,346,792/246,920,929.66 - Step 6: Final answer
x = 186,810,566.99
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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.