Finding the Fourth Proportional to 73,934,312.13, 110,898,384.68 and 19,345,689.09
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Solution
The fourth proportional to 73,934,312.13, 110,898,384.68 and 19,345,689.09 is: 29,017,726.80
Step by Step Solution
- Step 1: Write the proportion equation
73,934,312.13 : 110,898,384.68 = 19,345,689.09 : x - Step 2: Convert to fraction form
73,934,312.13/110,898,384.68 = 19,345,689.09/x - Step 3: Cross multiply
73,934,312.13x = 110,898,384.68 × 19,345,689.09 - Step 4: Simplify right side
73,934,312.13x = 2,145,405,670,650,863.50 - Step 5: Solve for x
x = 2,145,405,670,650,863.50/73,934,312.13 - Step 6: Final answer
x = 29,017,726.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.