Finding the Fourth Proportional to 259,726,964.04, 358,423,555.86 and 140,649,761.52
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Solution
The fourth proportional to 259,726,964.04, 358,423,555.86 and 140,649,761.52 is: 194,096,857.99
Step by Step Solution
- Step 1: Write the proportion equation
259,726,964.04 : 358,423,555.86 = 140,649,761.52 : x - Step 2: Convert to fraction form
259,726,964.04/358,423,555.86 = 140,649,761.52/x - Step 3: Cross multiply
259,726,964.04x = 358,423,555.86 × 140,649,761.52 - Step 4: Simplify right side
259,726,964.04x = 50,412,187,654,859,408 - Step 5: Solve for x
x = 50,412,187,654,859,408/259,726,964.04 - Step 6: Final answer
x = 194,096,857.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.