Finding the Fourth Proportional to 229,139,798.82, 316,239,848.44 and 128,684,745.14
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Solution
The fourth proportional to 229,139,798.82, 316,239,848.44 and 128,684,745.14 is: 177,600,069.95
Step by Step Solution
- Step 1: Write the proportion equation
229,139,798.82 : 316,239,848.44 = 128,684,745.14 : x - Step 2: Convert to fraction form
229,139,798.82/316,239,848.44 = 128,684,745.14/x - Step 3: Cross multiply
229,139,798.82x = 316,239,848.44 × 128,684,745.14 - Step 4: Simplify right side
229,139,798.82x = 40,695,244,299,613,624 - Step 5: Solve for x
x = 40,695,244,299,613,624/229,139,798.82 - Step 6: Final answer
x = 177,600,069.95
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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.