Finding the Fourth Proportional to 54,402,510.60, 81,575,772.30 and 20,306,305.80
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Solution
The fourth proportional to 54,402,510.60, 81,575,772.30 and 20,306,305.80 is: 30,449,009.80
Step by Step Solution
- Step 1: Write the proportion equation
54,402,510.60 : 81,575,772.30 = 20,306,305.80 : x - Step 2: Convert to fraction form
54,402,510.60/81,575,772.30 = 20,306,305.80/x - Step 3: Cross multiply
54,402,510.60x = 81,575,772.30 × 20,306,305.80 - Step 4: Simplify right side
54,402,510.60x = 1,656,502,578,194,969.25 - Step 5: Solve for x
x = 1,656,502,578,194,969.25/54,402,510.60 - Step 6: Final answer
x = 30,449,009.80
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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.