Finding the Fourth Proportional to 112,031,338.50, 154,605,980.88 and 62,471,228.49
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Solution
The fourth proportional to 112,031,338.50, 154,605,980.88 and 62,471,228.49 is: 86,211,819.72
Step by Step Solution
- Step 1: Write the proportion equation
112,031,338.50 : 154,605,980.88 = 62,471,228.49 : x - Step 2: Convert to fraction form
112,031,338.50/154,605,980.88 = 62,471,228.49/x - Step 3: Cross multiply
112,031,338.50x = 154,605,980.88 × 62,471,228.49 - Step 4: Simplify right side
112,031,338.50x = 9,658,425,557,475,052 - Step 5: Solve for x
x = 9,658,425,557,475,052/112,031,338.50 - Step 6: Final answer
x = 86,211,819.72
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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.