Finding the Fourth Proportional to 99,817,814.80, 149,474,779.80 and 65,553,648.40
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Solution
The fourth proportional to 99,817,814.80, 149,474,779.80 and 65,553,648.40 is: 98,165,013.72
Step by Step Solution
- Step 1: Write the proportion equation
99,817,814.80 : 149,474,779.80 = 65,553,648.40 : x - Step 2: Convert to fraction form
99,817,814.80/149,474,779.80 = 65,553,648.40/x - Step 3: Cross multiply
99,817,814.80x = 149,474,779.80 × 65,553,648.40 - Step 4: Simplify right side
99,817,814.80x = 9,798,617,159,676,622 - Step 5: Solve for x
x = 9,798,617,159,676,622/99,817,814.80 - Step 6: Final answer
x = 98,165,013.72
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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.