Finding the Fourth Proportional to 101,357,848.39, 139,874,932.13 and 59,543,676.08
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Solution
The fourth proportional to 101,357,848.39, 139,874,932.13 and 59,543,676.08 is: 82,170,919.99
Step by Step Solution
- Step 1: Write the proportion equation
101,357,848.39 : 139,874,932.13 = 59,543,676.08 : x - Step 2: Convert to fraction form
101,357,848.39/139,874,932.13 = 59,543,676.08/x - Step 3: Cross multiply
101,357,848.39x = 139,874,932.13 × 59,543,676.08 - Step 4: Simplify right side
101,357,848.39x = 8,328,667,650,112,270 - Step 5: Solve for x
x = 8,328,667,650,112,270/101,357,848.39 - Step 6: Final answer
x = 82,170,919.99
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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.