Finding the Fourth Proportional to 75,208,700.13, 103,749,803.55 and 49,118,489.97
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Solution
The fourth proportional to 75,208,700.13, 103,749,803.55 and 49,118,489.97 is: 67,758,566.18
Step by Step Solution
- Step 1: Write the proportion equation
75,208,700.13 : 103,749,803.55 = 49,118,489.97 : x - Step 2: Convert to fraction form
75,208,700.13/103,749,803.55 = 49,118,489.97/x - Step 3: Cross multiply
75,208,700.13x = 103,749,803.55 × 49,118,489.97 - Step 4: Simplify right side
75,208,700.13x = 5,096,033,685,060,145 - Step 5: Solve for x
x = 5,096,033,685,060,145/75,208,700.13 - Step 6: Final answer
x = 67,758,566.18
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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.