Finding the Fourth Proportional to 432,930,449.20, 649,487,560.20 and 141,776,065.84
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Solution
The fourth proportional to 432,930,449.20, 649,487,560.20 and 141,776,065.84 is: 212,694,189.72
Step by Step Solution
- Step 1: Write the proportion equation
432,930,449.20 : 649,487,560.20 = 141,776,065.84 : x - Step 2: Convert to fraction form
432,930,449.20/649,487,560.20 = 141,776,065.84/x - Step 3: Cross multiply
432,930,449.20x = 649,487,560.20 × 141,776,065.84 - Step 4: Simplify right side
432,930,449.20x = 92,081,791,097,176,176 - Step 5: Solve for x
x = 92,081,791,097,176,176/432,930,449.20 - Step 6: Final answer
x = 212,694,189.72
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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.