Finding the Fourth Proportional to 98,154,608.08, 135,453,896.52 and 56,925,945.04
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Solution
The fourth proportional to 98,154,608.08, 135,453,896.52 and 56,925,945.04 is: 78,558,115.81
Step by Step Solution
- Step 1: Write the proportion equation
98,154,608.08 : 135,453,896.52 = 56,925,945.04 : x - Step 2: Convert to fraction form
98,154,608.08/135,453,896.52 = 56,925,945.04/x - Step 3: Cross multiply
98,154,608.08x = 135,453,896.52 × 56,925,945.04 - Step 4: Simplify right side
98,154,608.08x = 7,710,841,068,751,368 - Step 5: Solve for x
x = 7,710,841,068,751,368/98,154,608.08 - Step 6: Final answer
x = 78,558,115.81
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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.