Finding the Fourth Proportional to 58,068,154.72, 87,099,869.67 and 14,347,812.12
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Solution
The fourth proportional to 58,068,154.72, 87,099,869.67 and 14,347,812.12 is: 21,521,134.45
Step by Step Solution
- Step 1: Write the proportion equation
58,068,154.72 : 87,099,869.67 = 14,347,812.12 : x - Step 2: Convert to fraction form
58,068,154.72/87,099,869.67 = 14,347,812.12/x - Step 3: Cross multiply
58,068,154.72x = 87,099,869.67 × 14,347,812.12 - Step 4: Simplify right side
58,068,154.72x = 1,249,692,565,266,147 - Step 5: Solve for x
x = 1,249,692,565,266,147/58,068,154.72 - Step 6: Final answer
x = 21,521,134.45
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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.