Finding the Fourth Proportional to 126,927,656.83, 175,196,486.55 and 74,746,958.68
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Solution
The fourth proportional to 126,927,656.83, 175,196,486.55 and 74,746,958.68 is: 103,172,191.69
Step by Step Solution
- Step 1: Write the proportion equation
126,927,656.83 : 175,196,486.55 = 74,746,958.68 : x - Step 2: Convert to fraction form
126,927,656.83/175,196,486.55 = 74,746,958.68/x - Step 3: Cross multiply
126,927,656.83x = 175,196,486.55 × 74,746,958.68 - Step 4: Simplify right side
126,927,656.83x = 13,095,404,541,034,028 - Step 5: Solve for x
x = 13,095,404,541,034,028/126,927,656.83 - Step 6: Final answer
x = 103,172,191.69
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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.