Finding the Fourth Proportional to 193,346,417.07, 266,823,730.53 and 105,246,162
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Solution
The fourth proportional to 193,346,417.07, 266,823,730.53 and 105,246,162 is: 145,242,792.67
Step by Step Solution
- Step 1: Write the proportion equation
193,346,417.07 : 266,823,730.53 = 105,246,162 : x - Step 2: Convert to fraction form
193,346,417.07/266,823,730.53 = 105,246,162/x - Step 3: Cross multiply
193,346,417.07x = 266,823,730.53 × 105,246,162 - Step 4: Simplify right side
193,346,417.07x = 28,082,173,568,804,724 - Step 5: Solve for x
x = 28,082,173,568,804,724/193,346,417.07 - Step 6: Final answer
x = 145,242,792.67
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1.5x scale
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.