Finding the Fourth Proportional to 79,746,565.37, 119,619,848.12 and 19,162,291.37
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Solution
The fourth proportional to 79,746,565.37, 119,619,848.12 and 19,162,291.37 is: 28,743,437.06
Step by Step Solution
- Step 1: Write the proportion equation
79,746,565.37 : 119,619,848.12 = 19,162,291.37 : x - Step 2: Convert to fraction form
79,746,565.37/119,619,848.12 = 19,162,291.37/x - Step 3: Cross multiply
79,746,565.37x = 119,619,848.12 × 19,162,291.37 - Step 4: Simplify right side
79,746,565.37x = 2,292,190,382,616,675.50 - Step 5: Solve for x
x = 2,292,190,382,616,675.50/79,746,565.37 - Step 6: Final answer
x = 28,743,437.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.