Finding the Fourth Proportional to 54,699,811.47, 75,484,851.61 and 29,919,781.55
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Solution
The fourth proportional to 54,699,811.47, 75,484,851.61 and 29,919,781.55 is: 41,288,812.70
Step by Step Solution
- Step 1: Write the proportion equation
54,699,811.47 : 75,484,851.61 = 29,919,781.55 : x - Step 2: Convert to fraction form
54,699,811.47/75,484,851.61 = 29,919,781.55/x - Step 3: Cross multiply
54,699,811.47x = 75,484,851.61 × 29,919,781.55 - Step 4: Simplify right side
54,699,811.47x = 2,258,490,270,505,366 - Step 5: Solve for x
x = 2,258,490,270,505,366/54,699,811.47 - Step 6: Final answer
x = 41,288,812.70
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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.