Finding the Fourth Proportional to 66,416,854.97, 99,663,117.56 and 53,038,713.53
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Solution
The fourth proportional to 66,416,854.97, 99,663,117.56 and 53,038,713.53 is: 79,588,284.39
Step by Step Solution
- Step 1: Write the proportion equation
66,416,854.97 : 99,663,117.56 = 53,038,713.53 : x - Step 2: Convert to fraction form
66,416,854.97/99,663,117.56 = 53,038,713.53/x - Step 3: Cross multiply
66,416,854.97x = 99,663,117.56 × 53,038,713.53 - Step 4: Simplify right side
66,416,854.97x = 5,286,003,541,954,412 - Step 5: Solve for x
x = 5,286,003,541,954,412/66,416,854.97 - Step 6: Final answer
x = 79,588,284.39
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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.