Finding the Fourth Proportional to 276,791,101.20, 415,191,572.55 and 82,704,911.40
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Solution
The fourth proportional to 276,791,101.20, 415,191,572.55 and 82,704,911.40 is: 124,058,837.42
Step by Step Solution
- Step 1: Write the proportion equation
276,791,101.20 : 415,191,572.55 = 82,704,911.40 : x - Step 2: Convert to fraction form
276,791,101.20/415,191,572.55 = 82,704,911.40/x - Step 3: Cross multiply
276,791,101.20x = 415,191,572.55 × 82,704,911.40 - Step 4: Simplify right side
276,791,101.20x = 34,338,382,221,774,424 - Step 5: Solve for x
x = 34,338,382,221,774,424/276,791,101.20 - Step 6: Final answer
x = 124,058,837.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.