Finding the Fourth Proportional to 73,244,315.70, 109,698,511.95 and 71,564,699.70
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Solution
The fourth proportional to 73,244,315.70, 109,698,511.95 and 71,564,699.70 is: 107,182,939.59
Step by Step Solution
- Step 1: Write the proportion equation
73,244,315.70 : 109,698,511.95 = 71,564,699.70 : x - Step 2: Convert to fraction form
73,244,315.70/109,698,511.95 = 71,564,699.70/x - Step 3: Cross multiply
73,244,315.70x = 109,698,511.95 × 71,564,699.70 - Step 4: Simplify right side
73,244,315.70x = 7,850,541,065,238,612 - Step 5: Solve for x
x = 7,850,541,065,238,612/73,244,315.70 - Step 6: Final answer
x = 107,182,939.59
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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.