Finding the Fourth Proportional to 98,345,556.14, 135,713,312.47 and 54,291,610.92
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Solution
The fourth proportional to 98,345,556.14, 135,713,312.47 and 54,291,610.92 is: 74,920,460.53
Step by Step Solution
- Step 1: Write the proportion equation
98,345,556.14 : 135,713,312.47 = 54,291,610.92 : x - Step 2: Convert to fraction form
98,345,556.14/135,713,312.47 = 54,291,610.92/x - Step 3: Cross multiply
98,345,556.14x = 135,713,312.47 × 54,291,610.92 - Step 4: Simplify right side
98,345,556.14x = 7,368,094,357,285,624 - Step 5: Solve for x
x = 7,368,094,357,285,624/98,345,556.14 - Step 6: Final answer
x = 74,920,460.53
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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.