Finding the Fourth Proportional to 113,636,080.67, 156,817,723.68 and 61,425,117.05
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Solution
The fourth proportional to 113,636,080.67, 156,817,723.68 and 61,425,117.05 is: 84,766,624.96
Step by Step Solution
- Step 1: Write the proportion equation
113,636,080.67 : 156,817,723.68 = 61,425,117.05 : x - Step 2: Convert to fraction form
113,636,080.67/156,817,723.68 = 61,425,117.05/x - Step 3: Cross multiply
113,636,080.67x = 156,817,723.68 × 61,425,117.05 - Step 4: Simplify right side
113,636,080.67x = 9,632,547,031,774,468 - Step 5: Solve for x
x = 9,632,547,031,774,468/113,636,080.67 - Step 6: Final answer
x = 84,766,624.96
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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.