Finding the Fourth Proportional to 102,849,052.12, 141,935,784 and 56,440,966.80
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Solution
The fourth proportional to 102,849,052.12, 141,935,784 and 56,440,966.80 is: 77,890,779.81
Step by Step Solution
- Step 1: Write the proportion equation
102,849,052.12 : 141,935,784 = 56,440,966.80 : x - Step 2: Convert to fraction form
102,849,052.12/141,935,784 = 56,440,966.80/x - Step 3: Cross multiply
102,849,052.12x = 141,935,784 × 56,440,966.80 - Step 4: Simplify right side
102,849,052.12x = 8,010,992,872,475,971 - Step 5: Solve for x
x = 8,010,992,872,475,971/102,849,052.12 - Step 6: Final answer
x = 77,890,779.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.