Finding the Fourth Proportional to 170,317,811.10, 255,476,716.65 and 73,319,987.10
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Solution
The fourth proportional to 170,317,811.10, 255,476,716.65 and 73,319,987.10 is: 109,979,980.65
Step by Step Solution
- Step 1: Write the proportion equation
170,317,811.10 : 255,476,716.65 = 73,319,987.10 : x - Step 2: Convert to fraction form
170,317,811.10/255,476,716.65 = 73,319,987.10/x - Step 3: Cross multiply
170,317,811.10x = 255,476,716.65 × 73,319,987.10 - Step 4: Simplify right side
170,317,811.10x = 18,731,549,569,128,356 - Step 5: Solve for x
x = 18,731,549,569,128,356/170,317,811.10 - Step 6: Final answer
x = 109,979,980.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.