Finding the Fourth Proportional to 72,420,720.12, 99,937,551.33 and 41,060,878.65
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Solution
The fourth proportional to 72,420,720.12, 99,937,551.33 and 41,060,878.65 is: 56,662,287.55
Step by Step Solution
- Step 1: Write the proportion equation
72,420,720.12 : 99,937,551.33 = 41,060,878.65 : x - Step 2: Convert to fraction form
72,420,720.12/99,937,551.33 = 41,060,878.65/x - Step 3: Cross multiply
72,420,720.12x = 99,937,551.33 × 41,060,878.65 - Step 4: Simplify right side
72,420,720.12x = 4,103,523,667,739,276 - Step 5: Solve for x
x = 4,103,523,667,739,276/72,420,720.12 - Step 6: Final answer
x = 56,662,287.55
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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.